Crossword Puzzle Sub weapon

Clue: Sub weapon

Submarine weapon (TORPEDO with 7 letters)
Rush-hour weapons on subways (ELBOWS with 6 letters)
What submarine weapons inspectors might find? (SONAROFAGUN with 11 letters)
Submarine weapon space (TORPEDOTUBE with 11 letters)
Frequent Jacques Brel song subject (AMOUR with 5 letters)
7x - 6 = 2x^2 subj. (ALG with 3 letters)
Fictional weapon cited in the Book of Armaments (HOLYHANDGRENADE with 15 letters)
Become liable or subject to (INCUR with 5 letters)
March subject (STARSANDSTRIPES with 15 letters)
Of a songbird suborder (OSCINE with 6 letters)