silence procedure

silence-silence-silence

blank silence

electronic silence

listening silence

radio silence

silence a gun

silence lifted

wireless silence

silence fini

silence

radar silence

observe radio silence

call-out procedure

donning procedure

ground-controlled approach procedure

handover procedure

legal procedure

military standard requisitioning & issue procedure (MILSTRIP, NATO)

missed approach procedure (aviation)

observed fire procedure

operational procedure

procedure words (prowords)

prowords (procedure words)

radiotelephone procedure

salvage procedure

security procedure

staff procedure

standard operating procedure(s) (SOP)

standing operating procedure (SOP)

voice procedure

co-decision procedure

materiel test procedure pamphlet