Four different young Air Force officers get tapped three or four times each year for a four-month mission to see if they can find a vulnerability, or not, for a given space system. They employ open source information available over the Internet, at a public library, or even through a telephone call. The taskings are part of the Space Countermeasures Hands On Program, known as Space CHOP, formed in 1999 and run by one Air Force civilian engineer—John Holbrook—and two contractor consultants at Kirtland AFB, N.M. The participants usually have engineering or physical sciences backgrounds but no specific space system experience. Space CHOP, says Holbrook, is the only government group using a non-expert team to simulate open source terrorism. Its purpose is not to “replace traditional vulnerability analysis,” he asserts, but to “complement it.”
Billy Mitchell: Lessons a Hundred Years Hence
Dec. 16, 2025
Exactly 100 years ago, on Dec. 17, 1925, Brig. Gen. Billy Mitchell was convicted by court-martial for violating an order that required approval before he could engage with the media. Mitchell’s provocative thoughts and unorthodox methods sought attention for a cause that he saw as uniquely American.
