noun
Usage: usually capitalized 1st D
: the force that is trained, equipped, and ready to fight on the day war begins : force in being — used especially of air forces
noun
Usage: usually capitalized 1st D
: the force that is trained, equipped, and ready to fight on the day war begins : force in being — used especially of air forces
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012