STi plans, organizes, directs and controls NUWCDIVKPT’s Test, Training and Evaluation (TT&E) of Undersea Warfare (USW) Systems and Operational Readiness Assessment support for Acquisition and Fleet customers. STi conducts system evaluation activities throughout all phases of the acquisition life cycle including technology development, system design, development, production, and in-service readiness assessment. In performance of Test and Evaluation, STi plans and executes test programs; provides test environments that closely approximate war-fighting environments; provides methods for measuring system performance in those environments; and conducts performance analysis and evaluation of the systems under test. STi provides T&E planning, test execution and analytical support. STi supports Analysis and Assessment, Fleet Material Readiness, Signatures and Susceptibility and other Product Areas.