war chief

conduct a war / fight a war

tug-of-war (Tug of War / TW)

drone war (world’s first drone war)

Assistant Chief of Staff - Operations & Plans (G3)

assistant chief umpire

branch chief

chief information officer (CIO)

Chief Intelligence Directorate of the Ministry of Defense of Ukraine

chief master sergeant

Chief of Combat Operations (CCO)

chief of defense (CHOD)

chief of information

chief of military mission

Chief of Mission (COM)

Chief of Naval Operations (CNO)

chief of ordnance

chief of section

Chief of Staff (C-of-S; CofS, CoS)

Chief of Staff, United States Air Force (CSUSAF)

Chief of Staff, United States Army (CSUSA)

Chief of the General Staff (of the Armed Forces of Ukraine)

Chief Petty Officer (CPO)

Chief Staff Officer

chief umpire

chief warrant officer

Commander-in-Chief (CINC; C-in-C; C.-in-C.)

Commander-in-Chief Land Forces

Deputy Chief of Mission (DCM)

Deputy Chief of Staff (DCOS)

Deputy Chief of Staff -Operations (DCOS OPS)

Master Chief Petty Officer (MCPO)

Master Chief Petty Officer of the Navy