"CEILING UNLIMITED" 1958 EARLY SPACE RACE DOCUMENTARY ATLAS ROCKET ASTRONAUT TRAINING GG48185

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Dating to 1958, "Ceiling Unlimited" is an episode in "The Twentieth Century" series hosted by Walter Cronkite, which shows the early era of the so-called "Space Race" between the USA and Russia.

0:00 Main titles. Cronkite mentions three U.S. satellites launched, a fourth planned.
1:29 A Prudential insurance ad.
3:40 Fear after Sputnik has turned into curiosity. Vanguard rocket footage and public interviews.
4:58 Dr. Van Allen explains satellite orbits using Newton’s analogy. Satellites can appear stationary over the equator.
6:45 Van Allen discusses weather prediction via satellites. Instruments are more practical than humans in early space research.
8:27 Human spaceflight remains a major challenge. Men train for space at Wright Air Development Center.
9:17 Dr. White shows pressure chamber tests. A subject feels fine at 71,000 feet. Chamber simulates up to 200,000 feet.
14:03 Centrifuge simulates rocket G-forces. Subject blacks out at 4G sitting. Prone position allows 12G endurance.
17:48 Dr. Clark reports breathing difficulty at 12G. Acceleration issues nearly solved, but he’s not ready for space.
19:03 Other challenges: vibration, temperature, radiation, zero gravity. Underwater training simulates weightlessness.
21:04 Zero gravity causes issues like swallowing water. Cronkite introduces the X-15 rocket plane.
22:29 Pilot Kincheloe says control is the main challenge.
23:19 X-15 will provide key orbital flight data. Kincheloe says humans are vital in space.
25:22 Von Braun says satellites still offer valuable data. Curiosity will drive human space exploration.
26:31 Progress has accelerated since Sputnik. Man is ready, but vehicles aren’t.
27:41 Prudential ad features Caltech student Bernard Malowski.
29:46 Cronkite says manned flight is years away; planetary travel even farther. Supplies like water and air must be produced in space.
30:30 Atlas missile could be the base for a space vehicle. Experts say Atlas could carry large payloads soon. Reusable supply ships could build a space station.
34:14 Crews assemble tanks in orbit.
35:32 Structure would house crew and researchers. From orbit, man could observe Earth and space.
36:10 Ehricke envisions nuclear-powered Atlas for planetary travel.
36:24 He shows a 200-foot, 1.8-million-pound rocket model. Chemical stage lifts nuclear stage.
37:32 Crew sits in a gondola separated from the engine. Gondola lands near Moon; engine lands 1,000 feet away.
39:11 Ehricke estimates readiness in late next decade if approved. Dempsey says Convair submitted a space program proposal.
40:04 Project not approved; 60+ proposals submitted recently.
40:39 Dempsey suspects Russia is working on manned satellite. Gen. Medaris presents manned Moon vehicle model.
41:50 He says Russia integrates science and military in space.
42:20 Military uses: communication, reconnaissance, future combat. Most technologies eventually have military applications. Russia prioritizes nuclear rockets and spaceship-like satellites.
44:54 Russian film shows fictional manned spaceflight. Test involves hours in orbit to monitor reactions.
46:13 Boosters release, causing acceleration.
46:58 Astronauts experience weightlessness. They report observations and forecast weather.
48:14 One tests space suit in the void. Reverse rockets allow safe re-entry. Future vision: fleets build permanent space station.
50:45 Crews weld materials to build rotating atomic-powered station. Rotation creates gravity; crew conducts experiments.
52:41 Station serves as lab and observatory.
53:21 It also acts as Moon landing base. Crew lands on Moon, awaiting human exploration.
55:14 Cronkite says U.S. lacks long-term space strategy. Cold War tensions extend into space; informal joint Moon mission talks.
56:48 Prudential ad promotes education plans for future space roles.
58:09 The end.

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