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Luna programme
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== Mission success rates == While the programme was active, it was Soviet practice not to release any details of missions that had failed to achieve orbit. This resulted in Western observers assigning their own designations to the missions. For example, [[Luna E-1 No.1]], the first failure of 1958 which NASA believed was associated with the Luna programme, was known as Luna 1958A.<ref name="tent">{{cite web |url=http://nssdc.gsfc.nasa.gov/planetary/tent_launch.html|title=Tentative IDs|last=Williams|first=David R.|website=NASA Space Science Data Coordinated Archive|access-date=3 August 2010}}</ref> {| class="wikitable" |- ! !! colspan="5" | Luna !! colspan="5" | Competing United States programmes |- ! Type !! First attempt !! Attempts !! First success !! Successes !! Rate !! First attempt !! Attempts !! First success !! Successes !! Rate |- | Impactor || 23 Sep 1958 || style="text-align:center;" | 6 || [[Luna 2]]<br>Sep 13, 1959 || style="text-align:center" | 1 || 16.7% || [[Ranger 1]]<br>23 Aug 1961 || style="text-align:center;" | 9 || [[Ranger 7]]<br>31 July 1964 || style="text-align:center" | [[Ranger program#Mission list|3]] || 33.3%<ref>{{cite web|url=https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1964-007A|title=National Space Science Data Center - Ranger 6|publisher=National Air and Space Administration |access-date=June 19, 2012|ref=nssdc1964-007A}}</ref> |- | Flyby || [[Luna 3]]<br>6 Oct 1959 || style="text-align:center;" | 3 || Luna 3 || style="text-align:center;" | 1 || 33.3% || [[Pioneer 3]]<br>6 Dec 1958 || style="text-align:center;" | 2 || [[Pioneer 4]]<br>6 Mar 1959 || style="text-align:center;" | [[Pioneer program#Juno II lunar probes (1958β1959)|1]] || 50.0% |- | Soft lander || 4 Jan 1963 || style="text-align:center;" | 13 || [[Luna 9]]<br>3 Feb 1966 || style="text-align:center;" | 2 || 15.4% || [[Surveyor 1]]<br>2 Jun 1966 || style="text-align:center;" | 7 || Surveyor 1 || style="text-align:center;" | [[Surveyor program#Missions|5]] || 71.4% |- | Orbiter || 1 Mar 1966 || style="text-align:center;" | 8 || [[Luna 10]]<br>3 Apr 1966 || style="text-align:center;" | 6 || 75.0% || [[Pioneer 0]]<br> 17 Aug 1958 || style="text-align:center;" | [[Pioneer program#Early missions|12]] || [[Lunar Orbiter 1]]<br> 18 Aug 1966 || style="text-align:center;" | [[Lunar Orbiter program|5]] || 41.7% |- | Rover || 19 Feb 1969 || style="text-align:center;" | 3 || [[Luna 17]]<br>17 Nov 1970 || style="text-align:center;" | 2 || 66.7% || [[Apollo 15]]<br>31 July 1971 || style="text-align:center;" | 3 || Apollo 15 || style="text-align:center;" | [[List of Apollo missions#Crewed missions|3]] || 100.0% |- | Sample return|| 14 Jun 1969 || style="text-align:center;" | 11 || [[Luna 16]]<br>24 Sep, 1970 || style="text-align:center;" | 3 || 27.3% || [[Apollo 11]]<br>24 Jul 1969 || style="text-align:center;" | 7 || Apollo 11 || style="text-align:center;" | [[Apollo program#Mission summary|6]] || 85.7% |- | '''Total''' || || style="text-align:center;" |'''44''' || || style="text-align:center;" | '''15''' || '''34.1%''' || '''Total''' || style="text-align:center;" |'''40''' || || style="text-align:center;" | '''24''' || '''60.0%''' |}
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