American Holland-class submarine

AG-25
Class overview
Operators	Imperial Russian Navy  Navy of the Ukrainian People's Republic  Finnish Navy  Soviet Navy
In service	1916
In commission	- 1950
Planned	17
Completed	11
Cancelled	6
Lost	9
Retired	2
General characteristics
Class and type	Diesel-electric submarine
Type	Holland 602 type submarine, 602F, 602GF, 602L, 602R
Displacement	355 long tons (361 t) surfaced 433 long tons (440 t) submerged
Length	150 ft 3 in (45.80 m)
Beam	16 ft (4.9 m)
Draught	12 ft 6 in (3.81 m)
Propulsion	2 shafts 2 diesel engines (480 bhp (360 kW)) 2 electric motors (640 hp (480 kW))
Speed	13 knots (24 km/h; 15 mph) (surfaced) 10.5 knots (19.4 km/h; 12.1 mph) (submerged)
Range	1,750 nmi (3,240 km; 2,010 mi) at 7 knots (13 km/h; 8.1 mph) (surfaced) 25 nmi (46 km; 29 mi) at 3 knots (5.6 km/h; 3.5 mph) (submerged)
Test depth	50 metres (160 ft)
Complement	30
Armament	4 × bow 18-inch (457 mm) torpedo tubes (8 torpedoes) 1 × 47-millimetre (1.9 in) gun

The American Holland-class submarines, also AG class or A class, were Holland 602 type submarines used by the Imperial Russian and Soviet Navies in the early 20th century. The small submarines participated in the World War I Baltic Sea and Black Sea theatres and a handful of them also saw action during World War II.