The first orbital test flight of NASA’s Orion crew capsule will lift off on top of a United Launch Alliance Delta 4 rocket from Cape Canaveral’s Complex 37B launch pad. The rocket will send the unmanned crew module 3,600 miles above Earth — 15 times higher than the International Space Station’s orbit — then drive the capsule back into the atmosphere at 20,000 mph to simulate a re-entry at near lunar return velocity.
Orion’s software, avionics, separation systems, and heat shield are among the systems to be tested on the EFT-1 mission. The 16-foot-diameter capsule will encounter temperatures up to 4,000 degrees Fahrenheit during re-entry before parachuting into the Pacific Ocean for recovery by a U.S. Navy vessel.
T-0:00:07 Main engine start
T-0:00:00 Liftoff!
T+0:03:56 Separation of port and starboard Common Booster Cores
T+0:05:33 Separation of center Common Booster Core
The United Launch Alliance Delta 4-Heavy rocket lifts off with NASA’s Orion ship on its inaugural space flight test at 7:05 a.m. EST Dec. 5 from Cape Canaveral Air Force Station’s Complex 37.
The man in charge of the Orion crew capsule program at Lockheed Martin is a lifelong veteran of the space program, beginning his tenure at NASA’s Johnson Space Center in the late 1970s before taking posts in Washington and joining Lockheed Martin to lead the company’s work on the nation’s new spacecraft for journeys beyond Earth orbit.
The 330-foot tall mobile service tower has been retracted from the Delta 4-Heavy rocket at Cape Canaveral’s pad 37B for tomorrow morning’s launch that will place the Orion spacecraft on its intended trajectory.