Systems Safety Engineer Butler America AerospaceSystems Safety EngineerSouth Tucson, AZ$105–$127 / hourFull timeIn addition to reviewing programs for numerous issues, the chosen candidate will support Raytheon Engineering in conduct of senior-level Non-Advocate Reviews, Failure Review Boards, Engineering Safety Review Boards, Independent Reviews of programs, safety issues and/or systemic issues requiring corrective actions to improve safety. Collaborate with stakeholders across a range of engineering functions to identify and mitigate risks: Systems Engineering, Software Engineering, Firmware Engineering, Electrical Engineering, Hardware Engineering, Environmental Safety, & Health, Human Systems Interfaces, Test Engineering.
Electrical Engineer, Data Center, Colocation Regional Engineering - AMER Amazon Data Services, Inc.Electrical Engineer, Data Center, Colocation Regional Engineering - AMERMesa, AZReviews vendor critical infrastructure designs and perform risk analysis and availability calculations for vendor owned and operated collocation data center’s infrastructure to determine fit-for-use/fit-for-service for AWS cloud compute and networking services. This role provides the opportunity to collaborate with business development, design engineers, data center operations professionals, external vendors and consultants, and other cross-functional teams to assess and select colocation facilities that meet our business requirements.
NewSales Engineer NucorSales EngineerPhoenix, AZ$98,238.40–$131,643.20 / yearThe successful candidate will be a relationship-driven professional who thrives on connecting with contractors, structural engineers, and architects to promote innovative framing and decking solutions that deliver value to building projects. Vulcraft and Verco Decking, divisions of Nucor Corporation, are leading manufacturers of steel joists and decking products serving the Western U.S. market.
Onsite Service Engineer Silicon Desert Staffing LLCOnsite Service EngineerPhoenix, AZ$24–$26 / hourContractorFull timeConduct planned and ad hoc visits to inspect, service, troubleshoot, and repair various technical systems. Your work is important for supporting the operational success and technological advancement of industries relying on these technologies.
Manufacturing Engineer - CNC Programming and Floor Support Butler America AerospaceManufacturing Engineer - CNC Programming and Floor SupportSouth Tucson, AZ$85–$97 / hourContractorThe focus will be on maintaining product throughput though a highly technical role of working in a machining environment to support factory floor troubleshooting on CNC equipment (Lathe and Mill), updating engineering documentation to support increased throughput and meeting technical requirements. Apply knowledge of cutting tools and machining parameters to create production level CNC programs then prove out 1st piece on 3,4,5 axis Mills and live tooling lathe Support training of Production machinists in support of knowledge base growth and development.
Engineer Senior - Electrical Arizona State UniversityEngineer Senior - ElectricalTempe, AZ$140,000–$150,000 / yearFull timeFacilities Development and Management, FM KE Facilities Services, MacroTechnology Works (MTW), seeks an experienced Senior Engineer with knowledge of Power Distribution systems within a robust mission critical manufacturing environment, specifically either Semiconductor Manufacturing or Mission Critical Datacenter facilities. The desired candidate should be a registered professional engineer (PE) in the State of Arizona (or able to obtain registration within six months of hire) and highly knowledgeable with the International Building Codes and the National Electrical Code, specifically with application in “H Type” occupancies.
NewForensic Structural Engineer - Contract EngionixForensic Structural Engineer - ContractPhoenix, AZPhysical tasks will include, but not be limited to, climbing stairs and ladders, walking on building roofs, crawling through confined spaces (primarily attics and crawlspaces). Ideal Candidate: - A self-starter with an entrepreneurial spirit who is able to lead and perform work with minimal supervision after completion of the initial training period.
Project Engineer Gables Search GroupProject EngineerPhoenix, AZ$65,000–$95,000This position involves managing documentation, maintaining accurate schedules, assisting with estimating and change orders, and ensuring effective coordination between field operations and project administration. The ideal candidate will support project teams to ensure timely, efficient, and cost-effective execution of infrastructure projects, maintaining alignment with safety, schedule, and budget goals.
Distribution Center Industrial Engineer - 1st Shift GXO LogisticsDistribution Center Industrial Engineer - 1st ShiftSedona, AZAs the Distribution Center Industrial Engineer, you will be responsible for facility layout and design, manpower planning, project scheduling and management, and support for new business development. Our greatest strength is our global team - energetic, innovative people of all experience levels and talents who make GXO a great place to work.
Safety Engineer Intermediate ICONMA, LLCSafety Engineer IntermediatePhoenix, AZ$29.66–$38.02 / hourAbility to spend up to 6+ hours a day in the cleanroom, comfortable wearing a cleanroom suit, and spending majority of their day on their feet / walking. Proactively identify hazards, verify controls, and intervene to correct unsafe conditions and behaviors in real-time to prevent incidents.
Senior Software Safety / Senior System Safety Engineer RTX CorpSenior Software Safety / Senior System Safety EngineerTucson, AZAs System Safety and Software Safety Engineers, your responsibilities will include: Developing and implementing one or more MIL-STD-882E compliant system safety programs involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400). Experience developing and implementing MIL-STD-882E System Safety Program tasks and analyses, involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400).
Senior Software Safety / Senior System Safety Engineer RTXSenior Software Safety / Senior System Safety EngineerArizonaAs System Safety and Software Safety Engineers, your responsibilities will include: Developing and implementing one or more MIL-STD-882E compliant system safety programs involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400). Experience developing and implementing MIL-STD-882E System Safety Program tasks and analyses, involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400).
Safety Engineer – Intermediate IconmaSafety Engineer – IntermediatePhoenix, AZ$29.66–$38.02 / hourAbility to spend up to 6+ hours a day in the cleanroom, comfortable wearing a cleanroom suit, and spending majority of their day on their feet / walking. Proactively identify hazards, verify controls, and intervene to correct unsafe conditions and behaviors in real-time to prevent incidents.
NewSafety Engineer GCONSafety EngineerPhoenix, AZTravel: Required (project dependent).Preferred QualificationsSafety certifications such as:Dust Control 310First Aid / CPRHAZWOPER (24‑hour)NFPA 70EWorking knowledge of OSHA CFR 1926 or applicable state construction safety regulations.2+ years of experience supporting high‑tech or mission‑critical construction projects (data centers, semiconductor, chip manufacturing).Physical & Work Environment RequirementsFrequent walking, standing, climbing, bending, kneeling, crouching, and balancing. Deliver and coordinate safety training including (but not limited to):Fall protectionScaffold user trainingForklift and mobile elevated work platform (MEWP) trainingServe as a go‑to resource for employees on environmental, health, and safety best practices.
System Safety Engineer Donatech CorporationSystem Safety EngineerTucson, AZ$116–$136.45 / hourCollaborate with stakeholders across a range of engineering functions to identify and mitigate risks: Systems Engineering, Software Engineering, Firmware Engineering, Electrical Engineering, Hardware Engineering, Environmental Safety, & Health, Human Systems Interfaces, Test Engineering. Leading one or more MIL-STD-882E compliant system safety programs involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400).
System Safety Engineer - Level 3/4 Northrop Grumman CorpSystem Safety Engineer - Level 3/4AZ$89,400–$134,200 / yearBachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related experience, or a master's degree and 6 years of related experience, or a PhD degree and 4 years of related experience. Bachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 5 years of related experience, or a master's degree and 3 years of related experience, or 1 year of experience with a PhD.
Principal System Safety Engineer RTX CorpPrincipal System Safety EngineerTucson, AZCollaborate with stakeholders across a range of engineering functions to identify and mitigate risks: Systems Engineering, Software Engineering, Firmware Engineering, Electrical Engineering, Mechanical Engineering, Environmental Safety, & Health, Human Systems Interfaces, Test Engineering. As a Principal Software Safety Engineer, your responsibilities will include: Developing and implementing one or more MIL-STD-882E compliant system safety programs involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400).
Senior Fire Protection & Life Safety Engineer TEEMASenior Fire Protection & Life Safety EngineerPhoenix, AZ$120,000–$160,000We are seeking a highly specialized Senior Fire Protection & Life Safety Engineer to lead the architecture, installation, and long-term operational integrity of all fire suppression and life safety systems for a state-of-the-art manufacturing complex. Active Suppression Support: Provide advanced engineering oversight for wet-pipe, pre-action, and clean-agent suppression systems specifically designed for sensitive production equipment.
Software / System Safety Engineer II RTX CorpSoftware / System Safety Engineer IITucson, AZPerforming MIL-STD-882 System Safety Program tasks and analyses involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400). At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems.
Safety Engineer -Data Center Gcon, Inc.Safety Engineer -Data CenterPhoenix, AZThis role is primarily field-based and requires the ability to safely navigate active construction sites: Frequent walking, standing, climbing, bending, kneeling, crouching, and balancing. You will serve as a trusted technical resource, trainer, and advocateworking closely with field leadership to ensure every job site operates safely, compliantly, and efficiently.
Principal System Safety Engineer RTXPrincipal System Safety EngineerArizonaCollaborate with stakeholders across a range of engineering functions to identify and mitigate risks: Systems Engineering, Software Engineering, Firmware Engineering, Electrical Engineering, Mechanical Engineering, Environmental Safety, & Health, Human Systems Interfaces, Test Engineering. As a Principal Software Safety Engineer, your responsibilities will include: Developing and implementing one or more MIL-STD-882E compliant system safety programs involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400).
Site Safety Engineer Gray IncSite Safety EngineerPhoenix, AZFounded in 1960, Gray's robust offering enables us to create one-of-a-kind solutions at the highest levels of customization, delivering unmatched precision and partnership to some of the world's most sophisticated organizations. This position requires travel as our projects are scattered throughout the United States and, in some cases outside of the U.S. The selected candidate can live anywhere in the USA, but would be required to travel to the project site per Gray's travel policy.
Safety Engineer - Intermediate Iconma LLCSafety Engineer - IntermediatePhoenix, AZAbility to spend up to 6+ hours a day in the cleanroom, comfortable wearing a cleanroom suit, and spending majority of their day on their feet / walking. Proactively identify hazards, verify controls, and intervene to correct unsafe conditions and behaviors in real-time to prevent incidents.
Senior Systems Safety Engineer Garmin InternationalSenior Systems Safety EngineerMesa, AZFull timeGenerate Functional Hazard Analysis, qualitative analysis, FMEA, Fault Tree Analysis and particular risk/common cause analyses as required to certify the STC installations for projects not assigned as a UM. FAA approve Functional Hazard Analysis, qualitative analysis, FMEA, Fault Tree Analysis and particular risk/common cause analyses as required to certify the STC installations.
Software / System Safety Engineer II RTXSoftware / System Safety Engineer IIArizonaActive and existing security clearance required after day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. Performing MIL-STD-882 System Safety Program tasks and analyses involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400).
NewFellow System Safety Engineer Quest Defense Systems & SolutionsFellow System Safety EngineerTucson, ArizonaThis is a highly visible technical leadership role requiring the ability to evaluate complex safety concerns, guide major program decisions, and communicate effectively with senior and executive leadership. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change.
Systems Safety Engineer Butler America Aerospace LLCSystems Safety EngineerTucson, AZ$105–$127 / hourIn addition to reviewing programs for numerous issues, the chosen candidate will support Raytheon Engineering in conduct of senior-level Non-Advocate Reviews, Failure Review Boards, Engineering Safety Review Boards, Independent Reviews of programs, safety issues and/or systemic issues requiring corrective actions to improve safety. Collaborate with stakeholders across a range of engineering functions to identify and mitigate risks: Systems Engineering, Software Engineering, Firmware Engineering, Electrical Engineering, Hardware Engineering, Environmental Safety, & Health, Human Systems Interfaces, Test Engineering.
Systems Safety Engineer Geologics CorporationSystems Safety EngineerTucson, AZ$75–$103 / hourBased on the benefits chosen ***No C2C, we can NOT work with outside agencies/vendors, and we can NOT do 1099-USSECRET CLEARANCE IS REQUIRED***Seeking a Secret ClearedSystems Safety Engineer to work on the development and execution of a system safety program as defined by Mil-Std-882 to include but not limited to the following analyses: Preliminary Hazard Analysis, Subsystem & System Hazard Analysis, Operating and Support Hazard Analysis, Functional Hazard Analysis, Requirements Hazard Analysis, and Hazard Tracking. Typically Requires: Bachelor's degree in Science, Technology, Engineering or Math (STEM) and a minimum of 8 years of relevant Systems Engineering or Safety Engineering experience.
Environmental Health & Safety Engineer Taiwan Semiconductor Manufacturing Co LtdEnvironmental Health & Safety EngineerPhoenix, AZTogether, we are the most creative minds in science and technology to provide the best foundry services possible, and drive innovation in fields that revolutionize our world and daily lives including high performance computing, mobile, automotive electronics, and the Internet of Things (IoT). Conduct Job Hazard Assessments, perform workplace evaluations, implement corrective ESH actions, review new Fab processes for ESH compliance, evaluate new TSMC AZ machinery, and inspect waste management status.
Senior System Safety Engineer RTX CorpSenior System Safety EngineerTucson, AZMIL-STD-882 Experience in electrical systems and/or weapon combat systems Experience in presentation skills Experience managing a safety program and providing directions to support safety personnel Experience with Engineering Change Proposals, Engineering Review Boards, System Safety Working Groups Experience with Earned Value Management Systems (EVMS) and Proposal Development. Experience with System Safety Engineering, Electrical Engineering, Systems Engineering, Computer Engineering, Software or Firmware Engineering, or equivalent Safety Engineering.
Systems Safety Engineer Lead Level 3/4 Northrop Grumman CorpSystems Safety Engineer Lead Level 3/4Chandler, AZ$89,400–$134,200 / yearBasic Qualifications - Level 3. Bachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 5 years of related experience, or a master's degree and 3 years of related experience, or 1 year of experience with a PhD. Basic Qualifications - Level 4. Bachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related experience, or a master's degree and 6 years of related experience, or 1 year of experience with a PhD.
NewFire and Life Safety Engineer - Resident Bechtel Global CorporationFire and Life Safety Engineer - ResidentChandler, AZRequired Knowledge and SkillsRequires extensive technical knowledge of integrated life safety and emergency communication systems—such as networked fire alarm and signaling, emergency voice/alarm communication systems (EVACS/ECS), airsampling smoke detection (e.g., VESDA), in‑building public safety communications (IBPSC/ERRC), and toxic gas monitoring. As part of this work, the M&T team is responsible for delivering the engineering, procurement, and construction scope required to complete and finish‑out a leading‑edge chipmaking facility – a highly demanding environment where precision, cleanliness, schedule certainty, and coordination across thousands of craft and professional personnel are essential to success.
Fire and Life Safety Engineer Bechtel CorpFire and Life Safety EngineerChandler, AZExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. The position is explicitly focused on integrated life safety and emergency communication systems-such as networked fire alarm and signaling, emergency voice/alarm communication systems (EVACS/ECS), air‑sampling smoke detection (e.g., VESDA), in‑building public safety communications (IB‑PSC/ERRC), and toxic gas monitoring.
NewFire and Life Safety Engineer Bechtel Global CorporationFire and Life Safety EngineerChandler, AZEmergency Voice/Alarm Communication Systems (EVACS/ECS).Air sampling smoke detection systems (e.g., VESDA).In‑building public safety communications (IB PSC/ERRC).Toxic gas monitoring and detection systems (TGMS).Proven experience delivering integrated fire and life safety solutions in mission‑critical environments, with emphasis on system survivability, resilience, and coordination across electrical, mechanical, architectural, security, ICT, and building automation systems. The position is explicitly focused on integrated life safety and emergency communication systems—such as networked fire alarm and signaling, emergency voice/alarm communication systems (EVACS/ECS), airsampling smoke detection (e.g., VESDA), in‑building public safety communications (IBPSC/ERRC), and toxic gas monitoring.
NewHookup Senior Safety Engineer TSMCHookup Senior Safety EngineerPhoenix, AZCertificationsValid OSHA #510 (for construction‑related activities) or #511 (for operational activities)Preferred OHST (Occupational Health and Safety Technologist)Preferred CHST (Construction Health and Safety Technologist)First Aid/CPR/AEDLOTOPhysical RequirementsCapable of lifting materials, working on ladders/lifts, and standing for long periods of time. As a Hookup Senior Safety Engineer, you will demonstrate a strong sense of reliability, enthusiasm, and will possess an attitude that embodies our core values – I ntegrity, C ommitment, I nnovation and C ustomer Trust.
Safety Engineer KE&G Construction, Inc.Safety EngineerSierra Vista, AZFull timeRequires the ability to reach with hands and arms, climb stairs and/or ladders, balance, kneel, crouch, crawl, lift overhead, and traverse construction sites safely. • Operates at professional construction sites, requiring verbal communication in person and by phone, the ability to read printed materials and signs, and stamina to maintain attention despite interruptions.
NewSafety Engineer - Facilities & Construction EHS Amkor TechnologySafety Engineer - Facilities & Construction EHSPeoria, AZA global semiconductor company is seeking a Safety Engineer in Peoria, Arizona, responsible for developing and implementing environmental, health, and safety programs. The role includes ensuring compliance with OSHA regulations, conducting risk assessments, and providing safety training.
Sr. System Safety Engineer ViaSat IncSr. System Safety EngineerTempe, AZ$176,000–$264,000 / yearThis role requires strong analytical capabilities, clear technical communication, and the ability to influence cross-functional engineering teams to ensure safety considerations are incorporated into system design and operational procedures. This position works closely with systems engineering, design teams, program management, the Viasat Environmental Health and Safety team, suppliers, and external customers to integrate safety into system design and program execution.
NewSafety Engineer II: Drive Zero-Injury Site Programs MortensonSafety Engineer II: Drive Zero-Injury Site ProgramsTucson, AZMortenson is looking for a Safety Engineer in Tucson, Arizona, responsible for implementing the Zero Injury Safety program at a construction site. The role involves ensuring a safe environment for all team members and tracking safety violations.
Safety Engineer KE&G Construction IncSafety EngineerSierra Vista, AZPhysical Demands and Work Environment: Operates at professional construction sites, requiring verbal communication in person and by phone, the ability to read printed materials and signs, and stamina to maintain attention despite interruptions. Requires the ability to reach with hands and arms, climb stairs and/or ladders, balance, kneel, crouch, crawl, lift overhead, and traverse construction sites safely.
Safety Engineer II M. A. Mortenson CoSafety Engineer IITucson, AZMortenson is currently seeking a Safety Engineer that will be Responsible for implementing Mortenson's Zero Injury Safety program at a project site and ensuring a safe work environment for team members, subcontractors, and visitors to the construction work site. Bachelor's or associate's degree in occupational safety, health, or related field preferred OR high school diploma with CHST or STS certification, OSHA 30 Hour training, and minimum five years of construction experience.
NewSenior Safety Engineer - Semiconductor Fab TSMCSenior Safety Engineer - Semiconductor FabPhoenix, AZThis role requires overseeing safety programs in semiconductor environments, requiring collaboration with multiple teams to foster a safety culture. A leading semiconductor manufacturer in Phoenix, Arizona is seeking a Hookup Senior Safety Engineer.
NewEngineer, Product Safety ASM CompanyEngineer, Product SafetyPhoenix, AZKnowledge of European Machinery Regulation (EU 2023/1230) and previous Machinery Directive (2006/42/EC).Knowledge of European EMC Directive (2014/30/EU).Excellent written and verbal communication skills. With more than 4,500 ASMers representing 70 nationalities, our people and our advanced semiconductor devices are playing a crucial role in trends such as 5G, cloud computing, AI, and autonomous driving.
Safety Engineer ClaycoSafety EngineerPhoenix, AZ$136,000–$144,000 / yearThis will include, but is not limited to, assisting in development of a zero injury safety culture on each project, conducting at least weekly documented jobsite safety inspections, effectively communicate orientations for all new project workers, assist with and review subcontractor daily pre-task safety analysis, actively promote and participate in daily stretch and flex program, identify project trends and execute proactive safety initiatives to eliminate incidents, support corporate goals and initiatives, emphasize and support proactive safety such as near miss/hazard reporting, coach and recognize workers on safe work methods, report all incidents in an effective and timely manner following established protocols and be a champion in motivating workers to perform their jobs safely! Regularly works on-site at the construction work site where the employee is exposed to moving mechanical parts; high precarious places, fumes or airborne particles, outside weather conditions and risk to electrical shock.
NewEHS Engineer - Semiconductor Safety & Compliance TSMC - Taiwan Semiconductor Manufacturing Company LimitedEHS Engineer - Semiconductor Safety & CompliancePhoenix, AZA leading semiconductor company in Phoenix, Arizona is seeking ISEP Safety Engineers to enhance ESH programs and ensure regulatory compliance. This role emphasizes teamwork and communication across departments to maintain a safe work environment.#J-18808-Ljbffr.
NewSenior System Safety Engineer Quest Defense Systems & SolutionsSenior System Safety EngineerTucson, ArizonaWith over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Bachelor's degree in Systems Engineering, Mechanical Engineering, Electrical Engineering, Aerospace Engineering, or another STEM-related discipline.
NewSenior Fire & Life Safety Engineer - Fab Control Systems Bechtel Global CorporationSenior Fire & Life Safety Engineer - Fab Control SystemsChandler, AZThe role requires coordinating with the Resident Engineering Manager, ensuring engineering specifications are followed, and providing field support during construction.#J-18808-Ljbffr. Bechtel is seeking an experienced professional to conduct field investigations and client interviews to determine work scope and cost estimates for control systems.
NewSr. Engineer, Facilities Safety (ATA) Amkor TechnologySr. Engineer, Facilities Safety (ATA)Peoria, AZWith a strong track record of innovation, a broad and diverse geographic footprint and solid partnerships with lead customers, Amkor delivers high-quality solutions that enable the world's leading semiconductor and electronics companies to bring advanced technologies to market. Ability to climb ladders, work at elevation, and in confined spaces with PPE.LocationThis position will be based at the Arizona Tempe and Peoria sites during the Construction phase and will transition to Peoria for management during the Factory Operation phase.
NewSafety Engineer Sr Level 3 - Luke AFB AZ VetJobsSafety Engineer Sr Level 3 - Luke AFB AZPhoenix, AZExperience as 5 skill level in USAF Air Force Specialty Code (AFSC), Navy Enlisted Classification (NEC), Marine Military Occupational Specialty (MOS), or Army Military MOS aircraft maintenance discipline. Experience with Air Force Occupational Safety and Health (AFOSH), Occupational Safety and Health Act (OSHA), Flightline Safety, Fall Protection, Foreign Object Damage (FOD) and Hazardous Material (HAZMAT) programs.
Specialist Engineer, Product Safety Virgin Galactic Holdings IncSpecialist Engineer, Product SafetyPhoenix-Mesa, AZ$136,063–$207,596 / yearYou will bring your talent and experience in Product Safety with Aerospace or other technically demanding industries and will play a key role as a mentor to junior engineers as well as a project focal to other teams throughout the organization. Virgin Galactic is an aerospace and space travel company, pioneering human spaceflight for private individuals and researchers with its advanced air and space vehicles.