Regulation check

COAST GUARD OPERATIONS SECURITY (OPSEC) PROGRAM MANUAL reads like a Security & Law Enforcement question — these are the publications that govern it in each branch:

PublicationBranchTitleDateStatus
DoDD 5210.56DoD-wideArming and the Use of Force2016-11-18Current
DoDM 5205.02DoD-wideDoD Operations Security (OPSEC) Program Manual2008-11-03Current
DoDD 5205.02EDoD-wideDoD Operations Security (OPSEC) Program2012-06-20Current
COMDTINST M5510.24ACoast GuardCOAST GUARD OPERATIONS SECURITY (OPSEC) PROGRAM MANUAL2014-04-22Not in the current catalog
Looking for an actual answer, not just the pub? Ask it as a question — free, and it quotes the regulation text where indexed.
Numbers match loosely — “ar670”, “AR 670-1”, and “670-1” all find the same pub. Every result shows its live status from the official catalog.