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GYUB (South Korean Solid Fueled LV)


GYUB TV2 (Doory-Sat) []

This a solid fueled launch vehicle developed by the South Korean Agency for Defense Development (ADD), the national agency for research and development in defense technology. As the actual name or designation has not yet been published, it is generally only referred by the descrpition Goche Yeollyo Uju Balsache (고체연료 우주발사체) ("Solid Fuel Space Launcher"). For brevity's sake, the Korean designation will be abbreviated GYUB hereafter until the real name becomes known.

The final orbital launch vehicle is to consist of three solid fueled stages and a liquid fueled post boost stage (PBS).

The first suborbital test launch consisted of stage 2, an inert stage 3 and the PBS. The second flight used stage 2, stage 3 and the PBS. This configuration was designated Test Vehicle 1.

The orbital Test Vehicle 2 consists of stage 1, stage 3 and the PBS. On the maiden flight on 4 December 2023 of this configuration it has successfully put a small ~100 kg satellite into orbit.

Version Stage 1 Stage 2 Stage 3 Stage 4
GYUB-TV1 (1) Stage 2 Stage 3 (inert) PBS -
GYUB-TV1 (2) Stage 2 Stage 3 PBS -
GYUB-TV2 Stage 1 Stage 3 PBS -
GYUB Stage 1 Stage 2 Stage 3 PBS
Performance (kg) LEO LPEO SSO GTO GEO MolO IP
GYUB-TV2 - - - -
GYUB - - - -
Nr  TypeNr     Vehicle             Date         LS          Suc   Payload     

 1     1       GYUB-TV1 (1)        30.03.2022   Anh Sir   *       R&D
 2     1       GYUB-TV1 (2)        30.12.2022   Anh Sir   *       R&D
 3     1       GYUB-TV2            04.12.2023   Jej               Doory-Sat


Launch sites:

Anh = Anhueng, Taean missile site, Ch'ungch'ong Namdo, South Korea South Korea/ Sirius offshore platform
Jej = Jeju Island Launch Platform, Jeju-Do, South Korea South Korea/ offshore platform

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