American entrepreneur and head of SpaceX Elon Musk responded to the greeting of the head of Roscosmos, Dmitry Rogozin on Twitter.
The publication was made in the Russian language.
"Thank you, sir, haha. We look forward to a mutually beneficial and prosperous long-term cooperation", wrote Musk.
Earlier Rogozin has congratulated the head of NASA Jim Brandenstein with the successful launch of the Falcon 9 rocket and the docking of spacecraft Crew Dragon with the International space station (ISS), and also conveyed best wishes to the team of SpaceX and personally Mask.
Rogozin appreciated the joke Mask Pro trampoline
In turn, Brandenstein also thanked the head of Roscosmos for the congratulations and noted that NASA is grateful for the cooperation that we hope to develop.