TIMOTHY KOPRA, Engineer, US Army Colonel, NASA Astronaut, former commander of the International Space Station

Timothy received his commission as a Second Lieutenant from the U.S. Military Academy and was soon after designated as an Army Aviator. In 1990, he was assigned to the 3rd Armored Division in Hanau, Germany, and was deployed to the Middle East in support of Operations Desert Shield and Desert Storm.

In 1998, Timothy was assigned to NASA at the Johnson Space Center as a vehicle integration test engineer. He was selected as a mission specialist in 2000. In 2006, Timothy served as an aquanaut during the NEEMO 11 mission aboard the Aquarius underwater laboratory, living and working underwater for seven days.

Timothy spent a little less than 60 days as a Flight Engineer of Expedition 20 on the ISS, arriving aboard the station aboard space shuttle Endeavour on the STS-127 mission and returning to Earth aboard space shuttle Discovery on the STS-128 mission. He participated in the first spacewalk of the STS-127 mission.

Timothy also served as commander of the ISS, with Soyuz TMA-19M, as part of Expedition 46 / Expedition 47. He retired from the United States Army in 2010.