Gemini 8 mission 50th anniversary
Updated March 16, 2016 with 29 photos
Today marks the 50th anniversary of NASA's Gemini 8 mission, the sixth manned spaceflight conducted during the United States' Project Gemini program. The primary objective of the mission the successful docking of two spacecraft in orbit, a first in spaceflight. It was a success, though the crew suffered a critical system failure, forcing them to abandon their mission and return to Earth after just 10 hours in space. Find more about this day in history in the UPI Almanac.