(Kelly of the Clue Crew airs her clue from the Atsugi NAF, Japan.) The Atsugi military base on Honshu is officially an NAF, which stands for this
If you live off base you (or your spouse) are 
encouraged to take the Overseas Housing Allowance (OHA) ... NAF Atsugi 
Family Housing Party Room Reservation Location Change" ... housing on Naval 
Air Facility (NAF) Atsugi as well as the HEAT Application.