Gemini 12 (officially Gemini XII) was a 1966 manned spaceflight in NASA's Project Gemini. It was the 10th manned Gemini flight, the 18th manned American flight and, including X-15 flights over 100 km, the 26th spaceflight of all time.
Launch date: November 11, 1966, 21:46:33 UTC
Landing: November 15, 1966, 20:21:04 UTC
Measured 3 inches (7.62 cm) across.