Jeffrey_Williams_(astronaut)--Jacques_Yves_Cousteau

Jeffrey Nels Williams (born January 18, 1958) is a retired United States Army officer and a NASA astronaut. He is a veteran of four space flights and formerly held the American record for most days spent in space, which was surpassed in April 2017 by his colleague Peggy Whitson. He still holds the record of the longest time in space for an American man.