INS Vela (S40)

History
India
Name:	INS Vela
Commissioned:	31 August 1973
Decommissioned:	25 June 2010
General characteristics
Class and type:	Vela-class submarine
Displacement:	1,952 t (1,921 long tons) surfaced 2,475 t (2,436 long tons) submerged
Length:	91.3 m (299 ft 6 in)
Beam:	7.5 m (24 ft 7 in)
Draught:	6 m (19 ft 8 in)
Speed:	16 knots (30 km/h; 18 mph) surfaced 15 knots (28 km/h; 17 mph) submerged
Range:	20,000 mi (32,000 km) at 8 kn (15 km/h; 9.2 mph) surfaced 380 mi (610 km) at 10 kn (19 km/h; 12 mph) submerged
Test depth:	250 m (820 ft)
Complement:	75 (incl 8 officers)
Armament:	10 x 533 mm (21 in) torpedo tubes with 22 SET-65E/SAET-60 torpedoes 44 mines in lieu of torpedoes

INS Vela (S40) was the lead ship of four diesel-electric Vela-class submarines of the Indian Navy. The submarine was commissioned on 31 August 1973 in Riga, Latvia. After 37 years of service, the submarine was decommissioned on 25 June 2010. The submarine, as claimed by the Eastern Naval Command, was the oldest operational submarine in the world at the time of her decommissioning.

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