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 photographed him. The MMU allowed crews to move […]
Posted on
February 7, 2024
Sign up for our newsletter:
Categories
134
1
221
65
2
8
10
1
10
1
4
1
32
10
625
20
346
1
1
1
1
291
107
11
3
1
1
157
1
1
1
212
4
20
17
3
29
1
1
1
59
26
25
52
10
1
18
1
2
23
41
196
370
5
4
6
2
1
51
44
3
15
10
1
3
24
18
346
1
17
1
103
10
1
1
1
89
39
37
102
4
134
10
12
18
384
6
1
4
6
15
149
18
2
198
2
4
1
8
17
25
1
6
37
11
2
17
2
1
6
6
1
3
43
5
10
1
103
13
1
2
10
14
2
3
2
149
1
3
4
28
11
2
2
1
3
32
3
2
108
4
1
14
14
29
1
1
12
43
1
5
6
1
13
1
1
10
42
14
2
40
6
11
3
10
11
1
263
33
10
54
1
6
32
1
1
3
171
356
2
121
1
1
2
10