Navy Special Projects Office authorized Lockheed to proceed with Polaris SLBM development, having withdrawn from the Jupiter program earlier.

Development Cost $: 2,231.90 million. in 1961 average dollars. Total Development Built: 87. Total Production Built: 1005. Flyaway Unit Cost $: 1.46 million. in 1965 unit dollars. Cost comments: Development + flyaway costs for Polaris A-1,-2,-3.

• Polaris project begun.

  Navy Special Projects Office authorized Lockheed to proceed with Polaris development, having withdrawn from the Jupiter program earlier.

• Polaris SLBM first launch.

  First launch of Navy Polaris test vehicle at Cape Canaveral.

• Polaris SLBM first launch from ship.

  The fourth firing of an advanced Polaris A-2, and the first from a ship, was made by the U.S.S. Observation Island as she cruised at 8 knots, 10 miles offshore from Cape Canaveral.

• 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
• 39 - Gunston, Bill,, Rockets and Missiles, Salamander, London, 1979.
• 281 - Nicholas, Ted G., U.S. Missile Data Book, 1983, Seventh Edition, Data Search Associates, Fountain Valley, California, 1982..