The twelve day Apollo 15 mission was scheduled to launch on July 26, 1971.  It would be the fourth United States human exploration of the Moon. As compared with earlier missions, Apollo 15 would double the time and extend by … Continue reading →

Space Rocket History #336 – Apollo 15 – Introduction, Crew Selection & CMP Al Worden

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Initially, the rendezvous with Salyut 3 proceeded smoothly. However, as the Soyuz spacecraft approached the station, a critical problem arose. The Igla rendezvous system, designed to guide the spacecraft to the station, malfunctioned.

Space Rocket History #440 – Salyut 3 – Soyuz 14 & Soyuz 15 Part 2

Salyut 3 featured a “self-defense” gun purportedly designed by Alexander Nudelman for station use. Some reports suggest it was outfitted with a Nudelman-Rikhter “Vulkan” gun, a modified version of the 23mm Nudelman aircraft cannon, or conceivably a Nudelman NR-30 30mm … Continue reading →

Space Rocket History #439 – Salyut 3 – Soyuz 14 Part 1

NASA’s Explorer 50, also known as Interplanetary Monitoring Platform-8 or IMP-8, stands as a testament to humanity’s relentless pursuit of knowledge and exploration beyond the confines of Earth.

Space Rocket History #438 – Explorer 50, Westar 1, & NOAA 4

Scientists had long been intrigued by Mercury, the innermost planet of our solar system. Despite its proximity to the Sun, Mercury remained largely unexplored, with many questions remaining about its surface features, geological composition, and magnetic field. The scientific community … Continue reading →

Space Rocket History #437 – Mariner 10 – Venus & Mercury

Pioneer 11 detected Saturn’s bow shock on Aug. 31, 1979, about 932,000 miles (1.5 million kilometers) out from the planet, thus providing the first conclusive evidence of the existence of Saturn’s magnetic field.

Space Rocket History #336 – Apollo 15 – Introduction, Crew Selection & CMP Al Worden

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