RO-100 
- TYPE: Submarine
- DISPLACEMENT SURFACED: 601 t (611 tnes)
- DISPLACEMENT SUBMERGED: 782 t (795 tnes)
- MACHINERY: Twin Screws, Diesel/Electric Motors;
1,100/760 hp - LENGTH: 188.3 ft (57.4 m)
- BEAM: 20 ft (6.1 m)
- DRAUGHT: 11.5 ft (3.5 m)
- PERFORMANCE SURFACED: 14 knots
- PERFORMANCE SUBMERGED: 8 knots
- ARMAMENT: 4 533mm TT; 1 76mm guns
- SURFACE RANGE: 3,500 nm (6,485 km)
at 12 knots - CREW: 75
- LAUNCHED: December 6, 1941