Joseph Peter Kerwin (born February 19, 1932) is an American physician and former NASA astronaut. He served as the science pilot for the Skylab 2 mission from May 25, 1973, to June 22, 1973. He was the first physician to be selected for astronaut training and the first doctor from the United States to enter space.
Kerwin was the one who uttered the words during Apollo 13: "Farewell, Aquarius, and we thank you." He was inducted into the United States Astronaut Hall of Fame in 1997.
Jack Robert Lousma (born February 29, 1936) is an American astronaut, aeronautical engineer, retired United States Marine Corps officer, former naval aviator, NASA astronaut, and politician. He was a member of the second crew, Skylab-3, on the Skylab space station in 1973. In 1982, he commanded STS-3, the third Space Shuttle mission. Lousma was inducted into the United States Astronaut Hall of Fame in 1997. He is the last living crew member of both of his spaceflights.
Lousma later was the Republican Party nominee for a seat in the United States Senate from Michigan in 1984, losing to incumbent Carl Levin, who won his second of six terms.