In 1974 Mariner 10 visited Mercury that saw a spacecraft that visited Mercury for the first and last time in the 20th century.

||5 January, 01:45 GMT^[1] ||Aerobee 200A ||White Sands ||NASA || ||NASA ||Sub-orbital ||Aeronomy/Ultraviolet astronomy ||5 January 1974 ||Successful ||Apogee: |- ||8 January, 01:40 GMT^[1] ||Aerobee 200A ||White Sands ||NASA || ||NASA/NRL ||Sub-orbital ||Aeronomy/Ultraviolet astronomy ||8 January 1974 ||Successful ||Apogee: |- ||12 January, 19:12 GMT^[1] ||Skylark ||El Arenosillo ||DFVLR ||H-GR-58 ||DLR ||Sub-orbital ||Astronomy ||12 January 1974 ||Successful ||Apogee: |- ||12 January^[1] ||R-36 ||LC-162/36, Baikonur ||RVSN ||DKh ||RVSN ||Sub-orbital ||ICBM test ||12 January 1974 ||Successful ||Apogee: |- ||15 January, 20:00 GMT^[1] ||Black Brant VC ||LC-36, White Sands ||NASA || ||NASA ||Sub-orbital ||Solar research ||15 January 1974 ||Successful ||Apogee: |- ||16 January, 02:00 GMT^[1] ||Kappa 9M ||Kagoshima ||ISAS || ||ISAS ||Sub-orbital ||Ionosphere and Solar research ||16 January 1974 ||Successful ||Apogee: |- ||16 January, 17:40 GMT^[1] ||Nike Apache ||Wallops Island ||NASA || ||NASA ||Sub-orbital ||Aeronomy ||16 January 1974 ||Successful ||Apogee: |- ||16 January, 18:13 GMT^[1] ||Super Arcas ||Wallops Island ||NASA || ||NASA ||Sub-orbital ||Ionosphere research ||16 January 1974 ||Successful ||Apogee: |- ||16 January^[1] ||Aerobee 200A ||White Sands ||NASA || ||NASA ||Sub-orbital ||Solar research ||16 January 1974 ||Successful ||Apogee: |- ||17 January, 02:37 GMT^[1] ||Nike Tomahawk ||Poker Flat ||NASA || ||NASA ||Sub-orbital ||Plasma research ||17 January 1974 ||Successful ||Apogee: |- ||17 January, 02:37 GMT^[1] ||Kosmos-3M ||LC-132/2, Plesetsk ||VKS ||Kosmos 628 (Tsiklon) ||MO SSSR ||LEO ||Navigation ||Still in orbit ||Successful || |- ||19 January, 01:38 GMT^[1] ||Delta 2313 ||LC-17B, CCAFS || ||Skynet 2A ||UK Ministry of Defence ||Intended: GSO
Achieved: LEO ||Comms ||25 January 1974 ||Failure ||Placed in incorrect orbit due to carrier rocket malfunction |- ||19 January, 11:34 GMT^[1] ||Skua ||El Arenosillo ||RAE || ||RAE ||Sub-orbital ||Ionosphere research ||19 January 1974 ||Successful ||Apogee: |- ||19 January^[1] ||Eridan ||ALFS, Kourou || || || ||Sub-orbital ||Missile test ||19 January 1974 ||Successful ||Apogee: |- ||20 January^[1] ||R-36M ||LC-103, Baikonur ||RVSN ||POR ||RVSN ||Sub-orbital ||ICBM test ||20 January 1974 ||Successful ||Apogee: |- ||21 January, 02:39 GMT^[1] ||Nike Tomahawk ||Poker Flat ||NASA || ||NASA ||Sub-orbital ||Plasma research ||21 January 1974 ||Successful ||Apogee: |- ||21 January, 11:30 GMT^[1] ||Skua 4 ||El Arenosillo ||RAE || ||RAE ||Sub-orbital ||Ionosphere research ||21 January 1974 ||Successful ||Apogee: |- ||22 January, 02:41 GMT^[1] ||Nike Tomahawk ||Poker Flat ||NASA || ||NASA ||Sub-orbital ||Plasma research ||22 January 1974 ||Successful ||Apogee: |- ||22 January, 11:00 GMT^[1] ||Lambda-3H ||Area L, Kagoshima ||ISAS || ||ISAS ||Sub-orbital ||X-ray astronomy ||22 January 1974 ||Successful ||Apogee: |- ||8 January, 16:45 GMT^[1] ||Aerobee 200A ||White Sands ||NASA || ||NASA ||Sub-orbital ||Solar research ||22 January 1974 ||Successful ||Reached |- ||22 January^[1] ||Minuteman I ||LF-06, Vandenberg AFB ||USAF || ||USAF ||Sub-orbital ||ICBM test ||22 January 1974 ||Successful ||Apogee: |- ||23 January, 11:30 GMT^[1] ||Skua ||El Arenosillo ||RAE || ||RAE ||Sub-orbital ||Ionosphere research ||23 January 1974 ||Successful ||Apogee: |- ||23 January, 12:50 GMT^[1] ||Black Brant VB ||Fort Churchill ||NRCC || ||NRCC ||Sub-orbital ||Aeronomy/Ionosphere/Aurora research ||23 January 1974 ||Successful ||Apogee: |- ||24 January, 15:00 GMT^[1] ||Voskhod ||Plesetsk || ||Kosmos 629 (Zenit-2M) ||MOM ||LEO ||Recon ||5 February 1974 ||Successful || |- ||25 January, 11:30 GMT^[1] ||Skua ||El Arenosillo ||RAE || ||RAE ||Sub-orbital ||Ionosphere research ||25 January 1974 ||Successful ||Apogee: |- ||25 January^[1] ||UR-100N ||Baikonur Cosmodrome ||RVSN || ||RVSN ||Sub-orbital ||ICBM test ||25 January 1974 ||Successful ||Apogee: |- ||26 January^[1] ||Minuteman III ||LF-25, Vandenberg AFB ||USAF ||GT-24GB-1 ||USAF ||Sub-orbital ||ICBM test ||26 January 1974 ||Successful ||Apogee: |- ||26 January^[1] ||UR-100N ||Baikonur Cosmodrome ||RVSN || ||RVSN ||Sub-orbital ||ICBM test ||26 January 1974 ||Successful ||Apogee: |- ||27 January, 19:08 GMT^[1] ||Nike Tomahawk ||Andoya ||NASA ||Ferdinand 35
(Polar 3) ||NDRE ||Sub-orbital ||Aurora research ||27 January 1974 ||Successful ||Apogee: |- ||30 January, 11:00 GMT^[1] ||Voskhod ||Plesetsk || ||Kosmos 630 (Zenit-4MK) ||MOM ||LEO ||Recon ||13 February 1974 ||Successful || |- ||30 January^[1] ||SSBS ||BLB, Biscarosse ||DMA || ||DMA ||Sub-orbital ||Missile test ||30 January 1974 ||Successful ||Apogee: |- ||January^[1] ||Vertikal' K65UP ||LC-107, Kapustin Yar ||RVSN || ||RVSN ||Sub-orbital ||Ionosphere/Solar research ||January 1974 ||Successful ||Apogee: |- ||January^[1] ||Athena ||Wallops Island ||Sandia || ||USAF ||Sub-orbital ||Re-entry vehicle test ||January 1974 ||Successful ||Apogee: |- ||1 February, 06:30 GMT^[1] ||JCR ||Area T, Tanegashima ||NASDA || ||NASDA ||Sub-orbital ||Test flight ||1 February 1974 ||Successful ||Apogee: |- ||4 February, 14:40 GMT^[1] ||Skylark 6AC ||LA-2SL, Woomera ||BAC || ||BAC ||Sub-orbital ||Astronomy ||4 February 1974 ||Successful ||Apogee: |- ||4 February^[1] ||MR-UR-100 ||LC-177, Baikonur ||RVSN || ||RVSN ||Sub-orbital ||ICBM test ||4 February 1974 ||Successful ||Apogee: |- ||6 February, 00:34 GMT^[1] ||Kosmos-3M ||LC-132/2, Plesetsk ||VKS ||Kosmos 631 (Tselina-O) ||MO SSSR ||LEO ||ELINT ||3 October 1980 ||Successful || |- ||6 February, 22:48 GMT^[1] ||Black Brant IVB ||Andoya ||DLR || ||DFVLR ||Sub-orbital ||Aurora research ||6 February 1974 ||Successful ||Apogee: |- ||6 February^[1] ||Polaris A3 ||Submarine, WTR ||US Navy || ||US Navy ||Sub-orbital ||SLBM test ||6 February 1974 ||Successful ||Apogee: |- ||6 February^[1] ||Polaris A3 ||Submarine, WTR ||US Navy || ||US Navy ||Sub-orbital ||SLBM test ||6 February 1974 ||Successful ||Apogee: |- ||6 February^[1] ||Polaris A3 ||Submarine, WTR ||US Navy || ||US Navy ||Sub-orbital ||SLBM test ||6 February 1974 ||Successful ||Apogee: |- ||6 February^[1] ||Polaris A3 ||Submarine, WTR ||US Navy || ||US Navy ||Sub-orbital ||SLBM test ||6 February 1974 ||Successful ||Apogee: |- ||6 February^[1] ||Polaris A3 ||Submarine, WTR ||US Navy || ||US Navy ||Sub-orbital ||SLBM test ||6 February 1974 ||Successful ||Apogee: |- ||9 February, 02:10 GMT^[1] ||Aerobee 200A ||White Sands ||NASA || ||NASA ||Sub-orbital ||Astronomy ||9 February 1974 ||Successful ||Apogee: |- ||9 February, 06:30 GMT^[1] ||LS-C ||Area T, Tanegashima ||NASDA ||LE-3 ||NASDA ||Sub-orbital ||Test flight ||9 February 1974 ||Successful ||Apogee: |- |rowspan=2|11 February, 13:48 GMT^[1] |rowspan=2|Titan IIIE |rowspan=2|LC-41, CCAFS |rowspan=2| ||Boilerplate Viking ||NASA ||Intended: GSO ||Test carrier rocket |rowspan=2|12 February 1974 |rowspan=2|Failure |rowspan=2|Upper stage turbopump malfunction |- ||SPHINX ||NASA ||Intended: GSO ||Plasma research |- ||3 July ||Soyuz (11A511) ||LC-1/5, Baikonur || ||Soyuz 14 || ||LEO, docked to Salyut 3 ||Manned orbital flight ||19 July 1974 ||Successful || |- ||26 August ||Soyuz (11A511) ||LC-1/5, Baikonur || ||Soyuz 15 || ||LEO
Planned: docked to Salyut 3 ||Manned orbital flight ||28 August 1974 ||Failure ||Failed to dock with Salyut 3 |- ||2 December ||Soyuz-U (11A511U) ||LC-1/5, Baikonur || ||Soyuz 16 || ||LEO ||Manned orbital flight ||8 December 1974 ||Successful ||ASTP dress-rehearsal
First manned use of Soyuz-U launch vehicle |- |}

Deep Space Rendezvous

EVAs

References

Footnotes

ja:1974 ru: 1974