Video: NASA and SpaceX brief media on space station cargo flight

Mostly clear skies and brisk westerly winds are forecast at launch time Friday afternoon for SpaceX’s first resupply mission to the International Space Station in nearly a year.

Watch a replay of one of Iridium’s 10 communications satellites launched Sunday deploys from a dispenser mounted on the forward end of SpaceX’s Falcon 9 upper stage.

Concluding 80 days attached the International Space Station, the commercial Cygnus cargo ship will be detached to fly away Tuesday for an unprecedented onboard fire experiment before re-entering the atmosphere next week.