* Virgil Ivan “Gus” Grissom (Apollo 1 fire, January 1967). His son Scott Grissom said the accident was a murder.[88] Bill Kaysing also makes this claim
* Edward Higgins “Ed” White (Apollo 1 fire, January 1967)
* Roger B. Chaffee (Apollo 1 fire, January 1967)
* Edward “Ed” Givens (car accident, 1967)
* Clifton “C. C.” Williams (T-38 accident, October 1967)
* X-15 pilot Michael J. “Mike” Adams (the only X-15 pilot killed during the X-15 flight test program in November 1967
* Robert Henry Lawrence, Jr., scheduled to be an Air Force Manned Orbiting Laboratory pilot, who died in a jet crash in December 1967, shortly after reporting for duty to that (later canceled) program.
* NASA Thomas Ronald Baron (automobile collision with train, 1967