VR35K-A Upper Stage Engine Development Contract Awarded
The US Department of Defense has awarded a contract to Sierra Space for maturation of its VR35K-A upper stage engine. The firm-fixed-price contract is valued at $22,605,083.
"Once complete, the VR35K-A will allow our launch vehicle teammates and partners to deliver up to 30% more payload mass to orbit."
Rusty Thomas, Sierra Space
Sierra Space completed a 1…
