Terrapin sounding rockets, launched from Wallops Island, consisted of a Deacon and T55 rocket and carried a payload of 3.5 kg to 130,000 m altitude.

• First flight of a Terrapin rocket.

  First flight test of a Terrapin sounding rocket at Wallops Island, which consisted of a Deacon and T55 rocket and carried a payload of 8 pounds to 400,000-feet altitude.

• 17 - Emme, Eugene M, Aeronautics and Astronautics: An American Chronology of Science and Technology in the Exploration of Space 1915-1960, NASA, 1961. HTML when accessed: http://www.hq.nasa.gov/office/pao/History/timeline.html