Fill your mug with coffee, tea, or just water and fill your brain with the history of spaceflight!
Gemini 10 took off on July 18, 1966, and was the 8th of the Gemini flights. It docked with the Agena booster in Low Earth Orbit and used it to boost to a higher orbit where it docked with an Agena booster left over from Gemini 8.
Astronaut Michael Collins took a spacewalk to collect a cosmic dust collector and would have taken some pictures, but his camera came loose and drifted away. Oops!