Answer:

leatherneck

Answer	Crossword Clue
LEATHERNECK	Gyrene (3rd)
LEATHERNECK	Marine
LEATHERNECK	Devil dog

LEATHERNECK	Uncle Sam's fightingest nephew.
LEATHERNECK	Hero of Iwo Jima.
LEATHERNECK	Man in uniform: Slang.
LEATHERNECK	Veteran Marine, in slang
LEATHERNECK	Marine, or impediment for Dracula?