Soyuz-U (GRAU index: 11A511U) was a Soviet and later Russian expendable medium-lift launch vehicle designed by the TsSKB design bureau and constructed at the Progress factory in Samara, Russia. The U designation stands for unified, as the launch vehicle was the replacement for both the Voskhod rocket and the original Soyuz rocket.

联盟号运载火箭（又译为联合号运载火箭，简称Soyuz，欧美简称A-2）是前苏联/俄罗斯研制的多用途运载火箭，起源于R-7洲际弹道导弹和“东方号”火箭，有二级型和三级型两种（不算上面级）。

聯盟號運載火箭（俄语： Союз ，拉丁轉寫： Soyuz ，意為「聯合」，俄罗斯国防部火箭炮兵装备局代號：11A511，又稱聯合號運載火箭）為1961年由第一特種設計局（OKB-1）設計、 國家第一航空工廠 （ 英语 ： Progress State Research and Production Rocket Space Center ） 製造的蘇聯一次性運載火箭。

Russian orbital launch vehicle. The Soyuz U launch vehicle is derived from the Soviet R-7 intercontinental ballistic missile and produced by the Progress Rocket Space Center. It is comprised of four strap-on boosters (stage 1), a central …

2016年8月10日 · Soyuz-U was a standardized, modernized version of the R-7 launch vehicle with higher performance first and second stage engines. Improvements were made to the launch complexes, including unified test-launch ground support equipment.

联盟号飞船（俄语：Союз，英语：Soyuz）是前苏联设计的一款载人飞船，由第一特殊设计局（即科罗廖夫设计局，现隶属于科罗廖夫能源火箭航天集团）研制，采用一次性设计，可通过联盟号或质子号运载火箭发射，其主发射场是位于哈萨克斯坦共和国境内的 ...

联盟飞船（俄语：Союз，英语：Soyuz）是前苏联设计的一款载人飞船，由第一设计局（原科罗廖夫设计局，现隶属于科罗廖夫能源火箭航天集团）研制，使用一次性设计，可通过联盟号或质子号运载火箭发射，其主发射场是哈萨克斯坦拜科努尔航天发射场 ...

Soyuz (Russian: Союз, lit. 'union', GRAU index: 11A511) is a family of Soviet and later Russian expendable medium-lift launch vehicles initially developed by the OKB-1 design bureau and manufactured by the Progress Rocket Space Centre factory in Samara, Russia. It holds the record for the most launches in the history of spaceflight.

提起联盟系列（Soyuz）火箭，第一个印象是红色警戒里苏联的超级武器-核弹。 事实上，苏联的确发明了世界上第一款洲际导弹，R-7，它便是联盟火箭的前身。

Soyuz launch log at Starsem （页面存档备份，存于互联网档案馆） Soyuz U/Fregat; Soyuz launch vehicle: The most reliable means of space travel （页面存档备份，存于互联网档案馆） Soyuz Booster Family