This Week in NASA History: Apollo AS-203 Launches — July 5, 1966 This week in 1966, the AS-203 rocket launched from NASA’s Kennedy Space Center. The Apollo AS-203 mission was an uncrewed test of the vehicle’s second stage, the S-IVB stage, and the instrument unit of the Saturn V to obtain flight information under orbital conditions. via NASA http://ift.tt/2sFZqP6