Will the third time be the charm? After two oh-so-close attempts to land a rocket stage on a seagoing platform, SpaceX will try, try again during Sunday’s launch of a Falcon 9 rocket. The primary objective of the mission, due for takeoff from Cape Canaveral Air Force Station in Florida at 10:21 a.

Watch SpaceX Launch NASA Cargo and Again Try to Land Falcon 9 Rocket