O&M operations and maintenance
OEM original equipment manufacturer
OSD Office of the Secretary of Defense
PEO Program Executive Office, program executive officer
R&D research and development
RDT&E research, development, test, and evaluation
S2T2 Sector by Sector, Tier by Tier (DOD program)
S&T science and technology
SDW Shared Data Warehouse
TRL Technology Readiness Level
TRUST Trust in Integrated Circuits (DARPA program)

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