Flying Free: Iconic NASA Astronaut McCandless Has Died

On Feb. 7, 1984, astronaut Bruce McCandless II became the first “human satellite” when he performed the first test flight of NASA’s Manned Maneuvering Unit during STS-41B. Propelled by 24 small nitrogen-powered thrusters, the chair-like MMU allowed McCandless (who helped engineer the Unit at Lockheed Martin) to travel freely through space without any tethers or cords connecting…

A Heck of a Leap: When Bruce McCandless Became the First Human Satellite

On Feb. 7, 1984, NASA astronaut Bruce McCandless II became the first “human satellite” when he tested the Manned Maneuvering Unit during STS-41B. Propelled via 24 small nitrogen-powered thrusters, the MMU allowed McCandless (who was instrumental in developing the Unit at Lockheed Martin) to travel freely through space. In the iconic photo above McCandless is seen floating against…

The First Human Satellite: Flying Free With the MMU

31 years ago today, on Feb. 7, 1984, NASA astronaut Bruce McCandless II became the first “human satellite” when he tested the Manned Maneuvering Unit during STS-41B. Self-propelled via 24 small nitrogen-powered thrusters, the MMU allowed McCandless (who was instrumental in developing the Unit at Lockheed Martin) to travel tether-free through space. In the iconic photo…