Specialists of #RSCProgress have finished welding the first stage oxidizer tank (tank ‘O’) for the new #Soyuz5 launch vehicle: https://t.co/E0CFXQfIuZ
— РОСКОСМОС (@roscosmos) May 14, 2021
🧑🏭 The X-ray inspection confirmed the absence of defects in the welded seams pic.twitter.com/8fGwwGJhBo