NASA astronaut Ricky Arnold and his good pal Elmo all smiles with the Delta IV Heavy / Orion stack set for launch on pad 37 behind them. No better place to be this week than at NASA's Kennedy Space Center for the first flight of #Orion! NASA TV coverage begins tomorrow morning at 4:30am Eastern. Launch window opens at 7:05am Eastern. NASA LockheedMartin #ULALaunch kennedyspacecenter sesamestreet