What does NATO stand for?

Narrow-Angle Target of Opportunity - Photography - NASA

National Association of Taxicab Owners - Later, ITA (EA)

National Association of Telephone Operators - A union - British

National Association of Theatre Owners (EA)

National Association of Trailer Owners (EA)

National Association of Travel Organizations - Later, TIA (EA)

No Action, Talk Only (DICI)

North African Theater of Operations - World War II

North Atlantic Treaty Organization - Facetious translation: "No Action, Talk Only" - Brussels, Belgium

Not a Team Operator (BB)