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Exploration Flight Test 1

Exploration Flight Test 1
EFT-1 launch - view from pad.jpg
Launch of EFT-1 on December 5, 2014
Mission type Uncrewed test flight
Operator NASA
COSPAR ID 2014-077A
SATCAT no. 40329
Mission duration 4 hours, 24 minutes
Orbits completed 2
Spacecraft properties
Spacecraft type Orion MPCV
Manufacturer Lockheed Martin
Start of mission
Launch date December 5, 2014, 12:05 (2014-12-05UTC12:05Z) UTC (07:05 EST)
Rocket Delta IV Heavy
Launch site Cape Canaveral SLC-37B
Contractor United Launch Alliance
End of mission
Recovered by USS Anchorage
Landing date December 5, 2014, 16:29 (2014-12-05UTC16:30Z) UTC
Landing site Pacific Ocean,
640 miles (1,030 km) SSE of San Diego
23°37′N 114°28′W / 23.61°N 114.46°W / 23.61; -114.46 (EFT-1 splashdown)
Orbital parameters
Reference system Geocentric
Apogee 5,800 kilometres (3,604 mi)

Exploration Flight Test-1 insignia.png

Orion Program
EM-1 →

Exploration Flight Test-1 insignia.png

Exploration Flight Test 1 or EFT-1 (previously known as Orion Flight Test 1 or OFT-1) was the first test flight of the Orion Multi-Purpose Crew Vehicle. Without a crew, it was launched on December 5, 2014, at 12:05 UTC (7:05 am EST), by a Delta IV Heavy rocket from Space Launch Complex 37B at Cape Canaveral Air Force Station.

The mission was a four-hour, two-orbit test of the Orion crew module featuring a high apogee on the second orbit and concluding with a high-energy reentry at around 20,000 miles per hour (32,000 km/h; 8,900 m/s). This mission design corresponds to the Apollo 4 mission of 1967, which validated the Apollo flight control system and heat shield at re-entry conditions planned for the return from lunar missions.

NASA heavily promoted the mission, collaborating with Sesame Street and its characters to educate children about the flight test and the Orion spacecraft.

The flight was intended to test various Orion systems, including separation events, avionics, heat shielding, parachutes, and recovery operations prior to its debut launch aboard the Space Launch System, currently scheduled for no later than November 2018.


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