Related Clues:

• Battlefield vehicles
• Dive shop inventory
• Throws the game
• Suffers a sudden decline
• Some scuba gear
• Woefully underperforms
• Wartime vehicles
• Doesn't play very well
• Box office busts
• Vehicles seen in 'Godzilla'
• Drive fast, small military vehicles
• Armored army vehicles
• Gets awful reviews
• Sleeveless tops
• Gets an F on a test, say