The Titan II GLV (Gemini Launch Vehicle) or Gemini-Titan II was an American expendable launch system derived from the Titan II missile, which was used to launch twelve Gemini missions for NASA between 1964 and 1966. Two unmanned launches followed by ten manned ones were conducted from Launch Complex 19 at the Cape Canaveral Air Force Station, starting with Gemini 1 on April 8, 1964.WIKI
Gemini 9A was the seventh crewed mission of the NASA's Project Gemini. The mission was commanded by Command Pilot Thomas P. Stafford and Pilot Eugene Cernan. The astronauts rendezvoused with the Augmented Docking Target Adapter, but were unable to dock due to docking target's fairing which failed to deploy. The mission started on June 3, 1966, 13:39:33 UTC and ended on June 6, 1966, 14:00:23 UTC.
NET: June 3rd 1966 - 13:39 UTC
Instantaneous launch window.