Gregory Harold "Box" Johnson (born May 12, 1962) is a former NASA astronaut and a retired colonel in the United States Air Force.

He served as pilot on his first mission, which delivered the Kibo logistics module and the Dextre robot arm to the International Space Station.

Greg Johnson has also served in numerous roles for NASA including as a Capcom for several missions.

[5] He earned a Bachelor of Science degree in aeronautical engineering from the United States Air Force Academy in 1984, a Master of Science in flight structures engineering from Columbia University in 1985, and a Master of Business Administration from the University of Texas at Austin in 2005.

In December 1990, Johnson deployed to Al Kharj, Saudi Arabia, flying 34 combat missions in support of Operation Desert Storm.

In December 1992, he was again deployed to Saudi Arabia for three months, flying an additional 27 combat missions in support of Operation Southern Watch.

The box was left in the barracks as a reminder to all his fellow soldiers to stare at thinking about how he was at home.

In 2001, Johnson was reassigned from FCOD to the Space Shuttle Branch, where he has held various positions including direct support to the crews of STS-100 and STS-108, chief of shuttle abort planning and procedures for contingency scenarios, and ascent procedure development.

In 2004, Johnson was designated as the Deputy Chief of the Astronaut Safety Branch, focusing on all aspects of Space Shuttle, ISS, and T-38 safety, with special emphasis on improving specific operational procedures and techniques to make astronauts safer in all three vehicles.