John Houbolt at blackboard, showing his space rendezvous concept for lunar landings 🚀🌕 on July 24, 1962 @facethenation

Jack Schmitt, Evans and Cernan are photographed with a Lunar Roving Vehicle trainer during the rollout of the Apollo 17 rocket, December 7, 1972 @facethenation

Jack has some trouble as he tries to pick up a lunar rock sample bag and stand up at the same time 😱 The Apollo EVA suits had a weight of 60lbs on the Moon and were a little top heavy

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STS-86 crewmember David Wolf, the first American to vote in space, relaxes in the Spacehab module while Space Shuttle Atlantis was docked to Mir in October 16, 1997 @facethenation

Dave Wolf performs his second spacewalk in July, 2009 @facethenation

In total Dave Wolf has logged more than 4 040 hours in space @facethenation

The 41-year-old doctor and engineer Dave Wolf plays toy football 🏈 at Mir space station

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In Kiev in May of 1909, Sikorsky built his first real helicopter but it failed 😱 to fly @facethenation

Igor Sikorsky establishes an International Helicopter Endurance Record of 1 hour, 32 minutes, and 26 seconds with the VS-300, May 6, 1941 @facethenation

Igor Sikorsky 🚁 first "free" flight

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President of the United States Ronald Reagan throwing out the ceremonial first pitch for the first 1988 Chicago Cubs game @facethenation

President ⚾️ Ronald Reagan

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This helmet was worn by astronaut Ed White, Pilot of the Gemini 4 mission in June 1965. This was the first manned Gemini mission in which an astronaut "walked in space" @facethenation

Ed White 🕶 before the launch of Gemini 4

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🚀 Ed White made the first American spacewalk

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The Shah of Iran, Mohammad Shah Pahlavi, poses with his son, Prince Reza, and wife, Farah, following his coronation in 1967 @facethenation

Farah Pahlavi, the last Empress Of Iran is the former Queen and exiled Empress of Iran @facethenation

Coronation 👑 of HIM Mohamad Reza Pahlavi

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Sergey Bubka set the outdoor pole vaulting record of 6.14 metres (20 ft 1.73 in) in 1994 @facethenation

6 times the World Champion (1983, 87, 91, 93, 95, 97), Bubka broke the Outdoor World Record 17 times between 1984 and 1994 and his mark of 6.14 metres still stands as of March 2017 @facethenation