"Soyuz 2.1a/Fregat-M" does not denote a stand-alone rocket but a specific stack: the baseline Soyuz-2.1a model of the Russian Soyuz-2 family, topped by the optional Fregat-M upper stage. Soyuz-2 is a series of expendable medium-lift launch…
The Soyuz-2.1a is the baseline model of the Russian Soyuz-2 launcher family — that is, a specific configuration within that series rather than a standalone rocket. Soyuz-2 as a whole is a series of expendable medium-lift launch vehicles,…
The Atlas V 551 is the most powerful faired configuration of the Atlas V, not a separate rocket. Atlas V is an expendable launch system, the fifth major version of the Atlas family, developed by Lockheed Martin and operated since 2006 by…
The Long March 4C, also known as Chang Zheng 4C, CZ-4C and LM-4C, is a Chinese orbital launch vehicle built by the Shanghai Academy of Spaceflight Technology. It flies from the Jiuquan, Taiyuan and Xichang launch centres and consists of…
Soyuz-2.1b is the higher-performance variant of the Russian Soyuz-2 family, and therefore not a separate rocket but a configuration: it shares with the baseline 2.1a its airframe, its four strap-on boosters, its core stage and all of its…
The Long March 3B/E, also known as the 3B/G2, is not a new launcher but the enhanced version of the Long March 3B, the heaviest variant of the Long March 3 family. The original 3B, introduced in 1996, is a three-stage rocket with four…
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