Bruce McCandless II (born Byron Willis McCandless; [1] June 8, 1937 – December 21, 2017) was an American Navy officer and aviator, electrical engineer, and NASA astronaut. In 1984, during the first of his two Space Shuttle missions, he completed the first untethered spacewalk by using the Manned Maneuvering Unit.

2024年5月8日 · On February 7, 1984, astronaut Bruce McCandless ventured out into space and away from shuttle Challenger using only a nitrogen-propelled, hand-controlled backpack

2024年2月2日 · As astronaut Bruce McCandless II flew the Manned Maneuvering Unit (MMU) out of the space shuttle Challenger’s payload bay for the first time on February 7, 1984, many in the agency were fearful about the use of a self-propelled and untethered backpack in space.

2024年2月7日 · Astronaut Bruce McCandless II approaches his maximum distance from the Earth-orbiting Space Shuttle Challenger in this 70mm photo from Feb. 7, 1984. While testing out the nitrogen-propelled, hand-controlled back-pack device called the manned maneuvering unit (MMU) for the first time, McCandless’s fellow crewmembers aboard the reusable vehicle ...

On Feb. 7, 1984, during the Space Shuttle Challenger’s STS-41B mission, NASA Astronaut Bruce McCandless II makes the first, untethered, free flight spacewalk...

2018年2月7日 · In a still-startling NASA image from that mission, untethered McCandless hangs 320 feet from Challenger, suspended above our impossibly blue planet and appearing paradoxically powerful and...

On February 3, 1984, 36 years ago this month, the Space Shuttle Challenger launched from Kennedy Space Center on a mission known as STS-41-B. The mission produced one of the most iconic photographs of the U.S. space program—an image of astronaut Bruce McCandless II high above Earth on the first untethered spacewalk.

2024年2月7日 · This is the American astronaut Bruce McCandless II. It is 7 February 1984 and he is making the first untethered spacewalk using NASA’s Manned Manuoeuvring Unit or MMU, a project his team has been working on since 1966. Suspended, and getting colder by the moment, McCandless reaches the agreed distance of almost 100 metres from the shuttle.

2017年12月1日 · Astronaut Bruce McCandless II, STS-41-B mission specialist, uses his hands to control his movement above the Earth — just a few meters away from the space shuttle Challenger — during the first-ever spacewalk which didn’t use restrictive tethers and umbilicals.

2017年12月22日 · On Feb. 12, 1984, Bruce McCandless ventured away unrestrained from the safety of his spaceship, which no previous astronaut had done. He could do it because of a brand-new, jet-powered...