military camp / ideological camp

action movie (a type of motion picture)

backstroke (a swimming stroke swum on one's back)

military camp / ideological camp

direct management

to manage directly

guard, patrol, escort

private (nongovernmental) management

vanguard (leading units of an army) / forward (player nearest to the opposing soccer team), lineman (playing position in football), or similar positions in tennis, volleyball, and other sports

(geometry) acute angle