NCO
NCO Group
Non-Commissioned Officer Professional Development Ribbon
Model 1840 army noncommissioned officers' sword
Non-commissioned officer
Noncommissioned officer's creed
NCOS
NCOIC
Nickel City Opera
Non-Commissioned Officer in Charge
Airman Leadership School
Navy NCO School
NCO Railway Depot
United States Army Sergeants Major Academy
Nevada-California-Oregon Railway Co. General Office Building
NCOR (disambiguation)
North Campus Open Space
National Conference on Organized Resistance
Marshal (Italy)
List of decorations awarded by the United States National Guard
Nagovisi language
Turkish Band NCO Higher Vocational School
Novel coronavirus
MERS-related coronavirus
SARS-related coronavirus
SARS-CoV-1
SARS-CoV-2