Patrick Graham Forrester is a retired United States Army officer and NASA astronaut. At the time of his retirement from the U.S. Army, Forrester had achieved the rank of colonel. He is married and has two children. Forrester has flown on three Space Shuttle missions, STS-105, STS-117 and STS-128. He was Chief of the Astronaut Office, from June 2017 to July 2024.