AVE6327767: America, c.1990s:Medium shot of astronaut on STS-49 mission providing telecom instructions on how to install capture bar on satellite to a second astronaut who works to install the bar / Bridgeman Images

AVE6327770: America, c.1990s: Long shot two astronauts on STS-49 mission who work together to install capture bar on satellite / Bridgeman Images

AVE6327779: United States, 1990s: Close up antenna, zoom out / Bridgeman Images

AVE6326883: 1950s: Animation of hurricane spinning off the East Coast superimposed over people talking and thinking at conference table / Bridgeman Images

AVE6326904: 1950s: Flooded streets of city / Bridgeman Images

AVE6326916: United States, 1960s: students in protest / Bridgeman Images

AVE6326946: United States, 1960s: worker in factory / Bridgeman Images

AVE6326949: United States, 1950s: television picture tube on table / Bridgeman Images

AVE6326955: United States, 1950s: image of lady on plate / Bridgeman Images

AVE6326994: Egypt, 1970s: A group of people riding camels stares at a pyramid in Egypt / Bridgeman Images

AVE6326997: Egypt, 1970s: Men riding camels pause at the top of a mountain before continuing on their journey / Bridgeman Images

AVE6327024: San Francisco, 1970s: The San Francisco bay area overlooking the Golden Gate Bridge / Bridgeman Images

AVE6327027: San Francisco, 1970s: People pass through an archway to leave the campus of school grounds / Bridgeman Images

AVE6327057: United States, 1970s: Holding candles, robed cult members slowly walk down a staircase in a dark room / Bridgeman Images

AVE6327108: Berlin, 1936: Bell ringing, fire burning in cauldron with spotlights surrounding, Olympic flag billowing in wind / Bridgeman Images

AVE6327120: United States, 1960s: crowd applauds speaker at election campaign / Bridgeman Images

AVE6327135: United States, 1960s: military units march on to ship / Bridgeman Images

AVE6327141: United States, 1960s: fighter plane lands on runway / Bridgeman Images

AVE6327156: United States, 1960s: President Kennedy speaks to audience about Cuba / Bridgeman Images

AVE6327209: United States, 1940s: Dissolve to close up of ship guns / Bridgeman Images

AVE6327212: 1940s: Man rides horse up to building, dismounts / Bridgeman Images

AVE6327221: United States, 1940s: Aerial view of smoke trail from plane / Bridgeman Images

AVE6327242: United States, 1940s: Japanese soldiers on carrier run to planes / Bridgeman Images

AVE6327245: United States, 1940s: Close up of propeller / Bridgeman Images

AVE6327278: United States, 1940s: Aerial view of Pearl Harbor being bombed / Bridgeman Images

AVE6327824: 1950s: Young woman speaks in front of chalkboard / Bridgeman Images

AVE6327830: 1950s: Young man in college classroom raises hand / Bridgeman Images

AVE6327302: United States, 1940s: Views of ship guns firing / Bridgeman Images

AVE6327399: United States, 1950s: Wipers clearing rain from windscreen of car / Bridgeman Images

AVE6327423: 1950s: Painting of men, women on horseback and foot with guns / Bridgeman Images

AVE6327432: United States, 1950s: hand folds newspaper / Bridgeman Images

AVE6327441: 1910s: Woodrow Wilson tips hat at platform with government officials / Bridgeman Images

AVE6327926: 1960s: Boy observes bottle / Bridgeman Images

AVE6327959: 1960s: Boy adjusts catcher's mask / Bridgeman Images

AVE6327471: 1950s: People exit stairway of building / Bridgeman Images

AVE6327474: 1950s: Assistant writes memo, man sits at desk, dictates / Bridgeman Images