UNITED LAUNCH ALLIANCE

Delta IV Heavy | EFT-1

SUCCESS Delta IV Heavy →
Dec 5, 2014 at 12:05 UTC
Low Earth Orbit Test Flight Cape Canaveral SFS, FL, USA 94% success
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Mission Control3D trajectory · Live telemetry · AI narrator · Booster tracking
PADSpace Launch Complex 37B
SITECape Canaveral SFS, FL, USA →
ORBITLow Earth Orbit
TYPETest Flight
PROGRAMArtemis

Exploration Flight Test-1 was the first test flight of the Orion Multi-Purpose Crew Vehicle. The spacecraft was flown on a Delta IV Heavy to orbit, intending to test systems in preparation for future flights.

MISSION
EFT-1
MISSION TYPE
Test Flight
TARGET ORBIT
Low Earth Orbit
PROGRAM
Artemis
COUNTRY
USA
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: b36667b4-3950-4553-9c8e-51edc058fabc
Reported date: Dec 5, 2014 at 12:05 UTC
Last synced: 4 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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001SERIAL
1FLIGHTS
Elliptical Earth OrbitDESTINATION
RetiredSTATUS

First Orion to fly in space. It was used for the Exploration Flight Test-1 mission, without a service module.

MANUFACTURER
United Launch Alliance
VARIANT
Heavy
FLIGHTS
16
SUCCESSES
15
SUCCESS RATE
93.8%

The Delta IV Heavy (Delta 9250H) is an expendable heavy-lift launch vehicle, the largest type of the Delta IV family, and is the world's second highest-capacity rocket in operation. It is manufactured by United Launch Alliance and was first launched in 2004.

When is the Delta IV Heavy | EFT-1 launch?
The Delta IV Heavy | EFT-1 is scheduled for Friday, December 5, 2014 at 12:05 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for EFT-1?
The Delta IV Heavy | EFT-1 mission uses the Delta IV Heavy rocket, manufactured by United Launch Alliance. The Delta IV Heavy has flown 16 times with a 93.8% success rate.
Where is the Delta IV Heavy | EFT-1 launching from?
The launch takes place from Space Launch Complex 37B at Cape Canaveral SFS, FL, USA.
What orbit is EFT-1 going to?
The EFT-1 mission is targeting Low Earth Orbit.
Who is launching EFT-1?
The Delta IV Heavy | EFT-1 is operated by United Launch Alliance. It is part of the Artemis program.
Can I watch the Delta IV Heavy | EFT-1 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
Mar 29, 2026 00:03 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 00:03 UTC
Launch date set: Dec 5, 2014 at 12:05 UTC
NET (No Earlier Than) confirmed by United Launch Alliance
Mar 29, 2026 00:03 UTC
Launch completed successfully
Updated via Launch Library 2
Last data sync: 4 minutes ago
Launch Library 24 minutes ago
Launch ID: b36667b4-3950-4553-9c8e-51edc058fabc
Open-Meteo Weather3 weeks ago
Pad weather at 28.53, -80.56

Mission Profile

EFT-1 was a Delta IV Heavy mission operated by United Launch Alliance that lifted off from Space Launch Complex 37B, Cape Canaveral SFS, FL, USA on December 5, 2014. The flight carried its payload on a test flight mission to Low Earth Orbit. It was flown as part of the Artemis program. The launch was a success.