Long burn
ATK’s CASTOR® 30 was ground tested at the U.S. Air Force’s Arnold Engineering Development Center (AEDC) on December 9, 2009 in a specialized vacuum chamber that simulates the altitude at which the upperstage motor will operate. This was the longest rcoket motor test ever in the J-6 Large Rocket Motor Test Facility, which became operational in 1994. (Air Force photo by Rick Goodfriend)

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Photo by: Rick Goodfriend  |  VIRIN: 091209-F-9114G-005.JPG