Navy, Army and Air Force Institutes (NAAFI / N.A.A.F.I. /ˈnæfiː/)

military trading organization (Naafi, UK; post exchange, US)

International Association of Institutes of Navigation

Joint Army and Navy Board

Joint Army and Navy Planning Committee

AN/TPQ (Army-Navy [Marines] Transportable Position finder [radar] Q [counterbattery])

JAN grid / Joint Army-Navy grid

Joint Army-Navy (JAN)

Joint Army-Navy grid system

Joint Army-Navy specifications / JAN specifications

Army/Navy universal surveillance drone

Army-Navy (AN/)

Army Fuels and Lubricants Working Party (ARMY F&LWP)

Queen's Regulations for the Army and the Royal Army Reserve

United States Air Force / US Air Force (USAF)

Navy SEALs (SEa, Air, Land)

Navy unmanned combat air system

green army (regular army as opposed to special forces etc.)

air force task force

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

army force

Department of the Navy (DN)

maritime forces (see navy)

Master Chief Petty Officer of the Navy

Naval Forces; Navy

Navy

Navy Armaments Section

Navy Department

navy group; naval group

Navy Liaison Element (NALE)

Navy Officer Candidate School

navy special operations forces

Navy Special Warfare (NSW)