
Utah Roger Boisjoly (NASA: Challenger)
USA. 1988. Roger BOISJOLY shows on a diagram where the o-ring is placed in a shuttle joint.

Utah Roger Boisjoly (NASA: Challenger)
USA. Willard, Utah. 1988. Roger BOISJOLY, an aerospace engineer since 1960 and a 20-year veteran of NASA missions, behind a Challenger casing at the Morton Thiokol, Inc. facility.

Utah Roger Boisjoly (NASA: Challenger)
USA. 1988. Roger BOISJOLY shows data on a diagram that illustrates potential failure of o-rings.

Utah Roger Boisjoly (NASA: Challenger)
USA. 1988. Roger BOISJOLY with a section of an o-ring seal, the type which failed and caused the Challenger Space Shuttle disaster in 1986.

Utah Roger Boisjoly (NASA: Challenger)
USA. 1988. Roger BOISJOLY with a section of an o-ring seal, the type which failed and caused the Challenger Space Shuttle disaster in 1986.

Utah Roger Boisjoly (NASA: Challenger)
USA. 1988. Roger BOISJOLY with a section of an o-ring seal, the type which failed and caused the Challenger Space Shuttle disaster in 1986.

Utah Roger Boisjoly (NASA: Challenger)
USA. 1988. Roger BOISJOLY with a photograph of the seven Challenger astronauts and a section of an o-ring seal, the type which failed and caused the Challenger Space Shuttle disaster in 1986.

Utah Roger Boisjoly (NASA: Challenger)
USA. Willard, Utah. 1988. Roger BOISJOLY, an aerospace engineer since 1960 and a 20-year veteran of NASA missions, outside the Morton Thiokol, Inc. facility.