Answer: TORPEDO

AnswerCrossword Clue
TORPEDORuin
TORPEDOMissile.
TORPEDOSmall firework.
TORPEDOFirework.
TORPEDOSub's weapon
TORPEDOLusitania's nemesis
TORPEDOHit man or hero
TORPEDOUnderwater projectile
TORPEDOOne cursed by Farragut
TORPEDORuin, as plans
TORPEDOSink
TORPEDO... boat.
TORPEDOUnderwater missile
TORPEDODestroyer destroyer
TORPEDOCigar-shaped ammo
TORPEDOLusitania's undoing
TORPEDOSend to the bottom
TORPEDOSub ingredient?
TORPEDOSabotage
torpedoself-propelled missile launched in water and exploding on impact
torpedoto strike with a torpedo
torpedoto attack with an underwater missile
TORPEDOSub need
TORPEDOSub weapon
TORPEDOLusitania's destroyer
TORPEDOWolf-pack weapon
TORPEDOSubmarine weapon
TORPEDOUndermine
TORPEDOCigar-shaped missile
TORPEDOSub launching
TORPEDOHit man
TORPEDOUndersea weapon
TORPEDOQuiznos offering
TORPEDOSinker of warships
TORPEDOSubmarine's weapon
TORPEDOHero sandwich
TORPEDOShip sinker
TORPEDOU-boat chaser
TORPEDOProjectile.
TORPEDOThe "T" in PT boat.