SpaceX swaps upper stage for next Falcon 9 launch

SpaceX is targeting launches March 6 and March 11 for its next two missions after swapping an upper stage for its next Falcon 9 rocket with another stage already being readied for liftoff at Cape Canaveral. The launch targeted for March 6 from pad 40 at Cape Canaveral Air Force Station will send a Dragon supply ship toward the International Space Station with nearly three tons of cargo, crew provisions and experiments, including a new mounting platform for external research payloads outside the station’s European Columbus lab module. More

(Source: SpaceFlight Now - Feb 27)