Little says the high-altitude ship was being tested as a communications relay for the Army and was supposed to climb to 60,000 feet. The blimp made it 32,000 feet off the ground, but a problem kept it from flying higher.
The ship was put into a controlled descent and came down in Greene County, about 45 miles southwest of Pittsburgh.
Lockheed says they're cooperating with a state police investigation. State police and Lockheed officials did not immediately returned calls from The Associated Press.