GALILEI 
- TYPE: Submarine
- DISPLACEMENT SURFACED: 985 t (1,000 tnes)
- DISPLACEMENT SUBMERGED: 1,259 t (1,279 tnes)
- MACHINERY: Two Screws, Diesel/Electric
Motors; 3,000/1,300 hp - LENGTH: 231.3 ft (70.5 m)
- BEAM: 22.3 ft (6.8 m)
- DRAUGHT: 13.4 ft (4 m)
- PERFORMANCE SURFACED: 17 knots
- PERFORMANCE SUBMERGED: 8.5 knots
- ARMAMENT: 8 533mm TT; 2 100mm guns
- SURFACE RANGE: 3,600 nm (6,670 km)
- CREW: 55
- LAUNCHED: March 19, 1934