Blue Whale 0.4 is Perigee's suborbital test and payload-service vehicle. It uses pressure-fed Skyblue propulsion with liquid oxygen and liquefied natural gas and operates from a marine launch platform. The manufacturer specifies suborbital payload accommodation up to 20 kg for scientific research, technology demonstrations, and microgravity experiments. It is distinct from the larger Blue Whale 1 orbital launcher.
Future launches and major activity directly linked to this vehicle family.