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.
Exploration Flight Test 1 eller EFT-1 (tidigare känd som Orion Flight Test 1 eller OFT-1) var den första testflygningen för Orion Multi-Purpose Crew Vehicle.