GSLV-F15 is the 17th flight of India's Geosynchronous Satellite Launch Vehicle (GSLV) and 11th flight with Indigenous Cryo stage. It is the 8th operational flight of GSLV with an indigenous Cryogenic ...
Preparing for launch, Blue Origin crews briefly ignited the rocket's seven BE-4 first-stage engines during a Dec. 27 hot-fire test at the launch pad — a key mission milestone. These engines ...