United States, Nov. 20 -- The Applied Physics Laboratory, University of Washington, Seattle, Washington, was awarded a $474,319,378 cost-plus-fixed-fee modification to a previously awarded contract (N00024-21-D-6400) to exercise an option for research, development, engineering, and test and evaluation in support of programs throughout the Department of War (DOW) and other government agencies within its core competency areas including: experimental oceanography, acoustic propagation, underwater instrumentation and equipment, marine corrosion, acoustic and related systems, simulations and signal processing, mission-related and public services quick response research, development, and/or engineering. Work will be performed in Seattle, Washingt...