He was a test pilot. He had flown earlier on one of the two-man Gemini space flights.

VOA: special.2009.07.15

They're very efficient." Not far from Taylor Glacier, researchers for the American space Agency are using the icy Lake Bonney to test an underwater robot vehicle.

VOA: special.2009.06.03

They wanted a plane that could test conditions for future flights into space.

VOA: special.2010.07.07

It was designed to test equipment and conditions for future space flights.

VOA: special.2010.07.07

Gemini would test the men's ability to live and work in space.

VOA: special.2009.06.24