When a client flies in with a helicopter gunner helmet from the Vietnam war, Rick and his crew have to suit up for some restoration recon. Can they get clearance to polish up this American heroes heli-hat, or will they have to call in some air-suppor... (more)t? And later, it's bottoms up for the guys when they pop the tab on a classic 1948 Coca-Cola vending machine makeover. Can the guys quickly quench their thirst on this fizzy fix-up, or will this carbonated contraption explode in their faces?