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| Baikonur Cosmodrome Site 1/5 | |
|---|---|
| Name | Site 1/5 |
| Location | Baikonur Cosmodrome, Kazakhstan |
| Operator | Soviet Roscosmos? |
| First launch | 1957-05-15 |
| Notable | First orbital launch of Sputnik 1, first human flight of Yuri Gagarin |
Baikonur Cosmodrome Site 1/5 is the historic primary launch pad at the Baikonur Cosmodrome complex, renowned as the departure point for the first artificial satellite and first human spaceflight. The site occupies iconic status alongside Gagarin's Start, LC-1, Pad 1, and the wider Tyuratam range, connecting legacy Soviet programs to contemporary Roscosmos operations. Its facilities have supported multiple generations of R-7 Semyorka family vehicles, influencing programs such as Vostok, Voskhod, Soyuz, and derivative commercial and military missions.
Site 1/5 was conceived during the Stalinera strategic rocket development and executed under designs associated with the OKB-1 design bureau led by Sergei Korolev and engineering teams tied to Mikhail Tikhonravov and Boris Chertok. Construction occurred in the mid-1950s as part of the Tyuratam missile range build-out coordinated by the Ministry of Defense of the USSR, with logistical support from entities such as Glavkosmos and industrial partners including Energomash and NPO Energia. The pad entered service with the Sputnik 1 launch in 1957, followed by military test flights of the R-7 ICBM concept and crewed missions culminating in Vostok 1 in 1961 with Yuri Gagarin. During the Cold War, Site 1/5 featured in high-profile events tied to Space Race milestones, interacting with agencies and institutions like NASA, ESA, CNES, and research groups at Moscow Aviation Institute and Bauman Moscow State Technical University. Post-Soviet arrangements involved agreements between Russia and Kazakhstan and coordination with organizations such as Roscosmos and the Russian Aerospace Forces.
The pad complex incorporates a reinforced concrete launch platform, flame trench system, service gantry, and prelaunch integrations adapted for the R-7 family by engineers from TsKBEM and construction brigades linked to Zhdanov-era enterprises. Ground infrastructure includes fueling systems handling liquid oxygen and kerosene RP-1 propellants supplied by plants like Kremenchuk Oil Refinery and rocket engine manufacturers such as NPO Energomash and Khrunichev State Research and Production Space Center. Support facilities encompass payload processing at nearby integration buildings used by teams from RSC Energia, crew medical and quarantine centers modeled after Baikonur Cosmonaut Hotel protocols, telemetry arrays coordinated with Institute of Radio Engineering and Electronics ground stations, and logistics networks tied to Baikonur Airport and the Trans-Siberian Railway. Environmental controls and lightning protection reference standards practiced by Gosstandart and civil engineering firms associated with Mosproject.
Site 1/5 primarily hosts launches of the R-7 Semyorka derivative family, including early R-7 testbeds, Vostok crewed vehicles, Voskhod spacecraft, long-running Soyuz variants, and adapted launchers for Molniya-type missions. It supported companion missions delivering Sputnik 1, Luna program probes, and orbital assets for entities like Glavkosmos and Soviet Academy of Sciences. Throughout its life the pad launched scientific payloads developed by institutes such as IKI and IKI RAN, military satellites commissioned by the Ministry of Defense of the USSR, crewed missions under GCTC oversight, and commercial launches serving partnerships with firms like International Launch Services and international experiments from European Space Agency and CNES researchers.
Key milestones include the first orbital launch Sputnik 1 (1957), Vostok 1 carrying Yuri Gagarin (1961), crewed Voskhod 1 missions, and numerous Soyuz flights ferrying crews to Salyut stations and Mir. Incidents and anomalies over decades involved pad-related fires, pad infrastructure failures, and launch aborts investigated by commissions including representatives from TsNIIMash, Gosplan-era authorities, and later Roscosmos safety boards. High-profile accidents prompted reviews by organizations such as Russian Academy of Sciences and updates to operational doctrine influenced by investigations similar to those conducted after Nedelin catastrophe-era inquiries and other Soviet-era mishaps.
Prelaunch operations at the pad follow sequences developed by design bureaus OKB-1/TsKBEM and enforced by mission control at TsUP (Mission Control Center), coordinating with launch control teams, flight control from RKK Energia, and telemetry handled by networks like Station 1 and the Space Communications Center. Crew processing integrates protocols from Gagarin Cosmonaut Training Center and medical oversight from Institute of Biomedical Problems. Ground support includes fueling operations managed by technicians trained under standards from Russian State Fire Service and equipment maintenance by enterprises such as Proton-era supply chains and Khrunichev specialists. Safety, range clearance, and trajectory analysis involve collaboration with the Air Force elements of the Russian Aerospace Forces and civil aviation coordination with ICAO-aligned procedures through Kazakh authorities.
Site 1/5 has undergone periodic refurbishments to support modern Soyuz-FG and Soyuz-2 series by contractors including TsENKI, Khrunichev, and Roscosmossubsidiaries. Upgrades addressed telemetry modernization compatible with GLONASS tracking, automated ground systems influenced by Soviet automation successors, and structural reinforcement projects executed by firms linked to Zvezda and heavy industry partners. Modernization initiatives responded to commercial demand involving entities such as Arianespace partners, international launch customers, and scientific collaborations with European Space Agency payloads, while preservation of historic elements interacted with heritage agencies and academic institutions like Russian Academy of Architecture and Construction Sciences.
The pad is a heritage symbol intertwined with personalities such as Sergei Korolev, Yuri Gagarin, Valentina Tereshkova, and institutions including RSC Energia and Gagarin Cosmonaut Training Center. It attracts delegations from international partners like UN Office for Outer Space Affairs and dignitaries from states including Kazakhstan and Russia, and features in exhibits curated by museums such as the Cosmonautics Museum and archives of the Russian State Archive of Scientific and Technical Documentation. Conservation efforts balance active use with commemorative practices celebrated on anniversaries observed by Roscosmos, cultural ministries, and scientific academies, preserving the pad's legacy amid ongoing operational demands.
Category:Baikonur