![Ron Eisele on Twitter: "Born 20 February 1921, Joseph Albert Walker (Capt, USAF), an American World War II pilot, experimental physicist, NASA test pilot, and astronaut. One of twelve pilots who flew Ron Eisele on Twitter: "Born 20 February 1921, Joseph Albert Walker (Capt, USAF), an American World War II pilot, experimental physicist, NASA test pilot, and astronaut. One of twelve pilots who flew](https://pbs.twimg.com/media/ERK4ErKXUAIvTTn.jpg)
Ron Eisele on Twitter: "Born 20 February 1921, Joseph Albert Walker (Capt, USAF), an American World War II pilot, experimental physicist, NASA test pilot, and astronaut. One of twelve pilots who flew
![USAF/NASA Test pilot Joseph Albert "Joe" Walker (left) with the Boeing B-47A "Stratojet" at Edwards AFB, 1954 Stock Photo - Alamy USAF/NASA Test pilot Joseph Albert "Joe" Walker (left) with the Boeing B-47A "Stratojet" at Edwards AFB, 1954 Stock Photo - Alamy](https://c8.alamy.com/comp/D5XYJC/usafnasa-test-pilot-joseph-albert-joe-walker-left-with-the-boeing-D5XYJC.jpg)
USAF/NASA Test pilot Joseph Albert "Joe" Walker (left) with the Boeing B-47A "Stratojet" at Edwards AFB, 1954 Stock Photo - Alamy
![Amazon.com: Vintage photo of Joseph Albert"Joe" Walker working on a plane, with a man on his side. : Everything Else Amazon.com: Vintage photo of Joseph Albert"Joe" Walker working on a plane, with a man on his side. : Everything Else](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61G8xwI8VPL._AC_UF1000,1000_QL80_.jpg)