Project MX-774 inaugurated by AAF with Consolidated-Vultee to study rocket capabilities with an ICBM as a final objective. Limited funds permitted a few test launches. These rockets demonstrated technologies that woud later be applied to the Atlas.

• Project MX-774 inaugurated.

  Project MX-774 inaugurated by AAF with Consolidated-Vultee to study rocket capabilities with an ICBM as a final objective.

• MX-774 cancelled.

  Contract with Convair for MX-774 "Upper Air Test Vehicle," predecessor of the Atlas ICBM, was cancelled by the AAF.

• First Convair MX-774 test.

  First Convair MX-774 (RTV-A-2) test rocket was successfully launched, first demonstrating use of gimballed engines and design features later incorporated in the Atlas ICBM. This was the first of three Convair-sponsored test flights.

• MX-774 1

  Reached 1.5 km altitude.

• MX-774 2

  Reached 47 km alt.

• Second Corvair MX-774 test

  Second Corvair MX-774 test rocket fired. Reached 40 miles before malfunction of unknown origin caused self-destruction.

• Third Convair MX-774 test

  Third Convair MX-774 test missile successfully fired. Also self-destructed at high altitude.

• MX-774 3

  Reached 48 km alt.

• 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
• 48 - Miller, Jay,, The X-Planes, Aerofax, Arlington, Texas, 1988.