DRUM (SS-228) 
- TYPE: Submarine
- DISPLACEMENT SURFACED: 1,825 t (1,854 tnes)
- DISPLACEMENT SUBMERGED: 2,410 t (2,448 tnes)
- MACHINERY: Two Screws, Diesel/Electric Motors;
5,400/2,740 hp - LENGTH: 311.75 ft (95 m)
- BEAM: 27.25 ft (8.3 m)
- DRAUGHT: 15.25 ft (4.6 m)
- PERFORMANCE SURFACED: 20 knots
- PERFORMANCE SUBMERGED: 10 knots
- ARMAMENT: 10 21in TT; 1 3in gun
- SURFACE RANGE: 12,000 nm (22,236 km)
at 10 knots - CREW: 80
- LAUNCHED: May 15, 1941