The acquisition of VIRGINIA Class Submarines and for identifying, assembling, managing, directing, and coordinating the resources required for the R&D, design, construction, Test and Evaluation (T&E), Live Fire Test and Evaluation (LFT&E), and Fleet introduction of the U.S. Navy's newest class of nuclear attack submarines. DRPM Subs is responsible for: The acquisition of COLUMBIA Class Submarines and for identifying, assembling, managing, directing, and coordinating the resources required for the R&D, design, construction, Test and Evaluation (T&E) and Live Fire Test and Evaluation (LFT&E) of the class.