A2/AD: anti-access area denial
ACTUV: ASW Continuous Trail Unmanned Vessel
ASEAN: Association of Southeast Asian Nations
ASW: anti-submarine warfare
C3: command, control, and communication
CCTV: China Central Television
CUES: Code for Unplanned Encounters at Sea
DARPA: Defense Advanced Research Projects Agency
EEZ: exclusive economic zone
ELF: extremely low frequency
FONOP: freedom of navigation operation
ICBM: intercontinental ballistic missile
JAM-GC: Joint Concept for Access and Maneuver in the Global Commons
New START: New Strategic Arms Reduction Treaty
NFU: no-first-use (policy)
NPR: Nuclear Posture Review
NPT: Nuclear Non-Proliferation Treaty
PLA: People’s Liberation Army
SSBN: ship submersible ballistic nuclear (nuclear ballistic missile submarine)
SSN: ship submersible nuclear (nuclear attack submarine)
SLBM: submarine-launched ballistic missile
SLF: super low frequency
SLOC: sea line of communication
TACAMO: take charge and move out
THAAD: Terminal High Altitude Area Defense
UNCLOS: United Nations Convention on the Law of the Sea
USV: unmanned surface vehicle
UUV: unmanned underwater vehicle