flag - foun
- Flag Day
- flag destination
- flag of convenience
- flag of distress
- flag of the head of state
- flag of the sending state
- flag of truce
- flag state
- flag state jurisdiction
- flag-waving exercises
- flagging morale (of the troops)
- flagrant
- flagrant deceit
- flak
- flame
- flank participant
- flank security
- flanking country
- flap of labour disputes
- flash
- flash the go for
- flashpoints of military danger
- flatten out
- fleet of bombers
- fleet operation
- Fleet Street
- flesh
- flex muscle
- flexible administration of ceilings
- flexible defence
- flexible option concept
- flexible price
- flexible response strategy
- flexible stand
- flight control optical sensor array
- flight facilities
- flight frequencies
- flight information centre
- flight of capital
- flight path optimization