German Chancellor Angela Merkel's flight was delayed by several hours early Tuesday morning after the Iranian government decided at the last moment to deny permission for the aircraft to fly through its airspace, reports said.
The Orion Exploration Flight Test-1 is scheduled to launch the first unmanned Orion crew cabin into a high altitude Earth orbit in 2014 atop a Delta 4 heavy rocket from Cape Canaveral, Florida.
After air traffic control staffing issues caused delays at LaGuardia and other east coast airports, we take a look at what did and didn't actually happen.