At the time it was chosen for Gemini duty, the Titan II was the most powerful rocket in America's inventory. An improved version of the Air Force's Titan I, it first flew successfully in March 1962.

"For the first time we can see the chemical cake while it's rising in the oven, instead of just the starting ingredients of ...

NASA flew a total of 12 Gemini missions ... Force's intercontinental ballistic missile Titan II. Known as the Titan II GLV, this rocket had never flown before. No major malfunctions occurred ...