Salyut 2

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Salyut 2 (OPS-1) (Template:Langx meaning Salute 2) was a Soviet space station which was launched in 1973 as part of the Salyut programme. It was the first Almaz military space station to fly. Within two weeks of its launch, the station had lost altitude control and depressurized, leaving it unusable. Its orbit decayed and it re-entered the atmosphere on 28 May 1973, without any crews having visited it.

Spacecraft

Script error: No such module "Labelled list hatnote". Salyut 2 was an Almaz military space station.[1] It was designated part of the Salyut programme in order to conceal the existence of the two separate space station programmes.[2]

Salyut 2 was Script error: No such module "convert". long with a diameter of Script error: No such module "convert".,[3][4][5] and had an internal habitable volume of Script error: No such module "convert".. At launch it had a mass of Script error: No such module "convert"..[6] A single aft-mounted docking port was intended for use by Soyuz spacecraft carrying cosmonauts to work aboard the station. Two solar arrays mounted at the aft end of the station near the docking port provided power to the station, generating a total of 3,120 watts of electricity.[7] The station was equipped with 32 attitude control thrusters, as well as two RD-0225 engines, each capable of generating Script error: No such module "convert". of thrust, for orbital manoeuvres.[6]

Launch

Salyut 2 was launched from Site 81/23 at the Baikonur Cosmodrome, atop a three-stage Proton-K rocket, serial number 283-01.[8] The launch took place at 09:00:00 UTC on 3 April 1973,[9] and successfully placed Salyut 2 into low Earth orbit.[8] Upon reaching orbit, Salyut 2 was assigned the International Designator 1973-017A, whilst NORAD gave it the Satellite Catalog Number 06398.[10] The third stage (8S812) of the Proton-K rocket entered orbit along with Salyut 2. On 4 April, it was catalogued in a Script error: No such module "convert". orbit, inclined at 51.4 degrees.[11]

Failure

Three days after the launch of Salyut 2, the Proton's spent third stage exploded, due to pressure changes within the tanks. This explosion resulted in a cloud of debris, some of which followed a similar trajectory to the station. Ten days later this debris struck the station, damaging the hull and causing depressurization. Both solar panels were torn free, removing the ability of the station to generate power and control its attitude.[2][10]

Three pieces of debris from the station were catalogued, and had decayed from orbit by 13 May.[11] The remainder of the station reentered the atmosphere on 28 May 1973[1][11] over the Pacific Ocean.[3]

An inquiry into the failure initially determined that a fuel line had burst, burning a hole in the station.[2] The damage from the debris collision was only discovered later.Script error: No such module "Unsubst".

Fidel Castro tour

When First Secretary of the Communist Party of Cuba Fidel Castro was in the Soviet Union as part of a whirlwind tour in 1972, General Secretary of the Communist Party of the Soviet Union Leonid Brezhnev brought Fidel Castro to the Gagarin Cosmonaut Training Centre.[12] Fidel Castro was photographed inside both the Soyuz docking trainer[13]Template:Bsn and the Salyut-2 (OPS-1/Almaz) military space station.[14]Template:Better source needed

See also

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References

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