Meet the Arc spacecraft: It aims to deliver cargo anywhere in the world in an hour
A relatively new spacecraft company, Inversion, revealed its new "on demand" delivery vehicle Wednesday evening during a splashy ceremony at its factory in Los Angeles. The company said it is building the Arc spacecraft to provide a capability to the US military to deliver as much as 500 pounds (225 kg) of supplies almost anywhere in the world, almost instantaneously. "The nominal mission for us is pre-positioning Arcs on orbit, and having them stay up there for up to five years, able to be ca