1961, followed by a series of underground tests. The President approved planning for atmospheric tests on 10 October 1961 but did not approve DOMINIC until 2 March 1962 (23: 25). Operation DOMINIC I was conducted with four primary objectives: develop nuclear weapons (the 29 airdrops); to study the effects of nuclear detonations (the five high-altitude bursts); to test the Polaris weapon system (the FRIGATE BIRD event); and to test the Navy nuclear antisubmarine rocket (Shot SWORDFISH) (23: 1). Operation DOMINIC I Test Events, 1962 Event Date Type Yield* ADOBE 25 April Airdrop Intermediate AZTEC 27 April Airdrop Intermediate ARKANSAS 2 May Airdrop Low megaton range QUESTA 4 May Airdrop Intermediate FRIGATE BIRD 6 May Rocket NA** YUKON 8 May Airdrop Intermediate MESILLA 9 May Airdrop Intermediate MUSKEGON 11 May Airdrop Intermediate SWORDFISH 11 May Underwater Low ENCINO 12 May Airdrop Intermediate SWANEE 14 May Airdrop Intermediate CHETCO 19 May Airdrop Intermediate TANANA 25 May Airdrop Low NAMBE 27 May Airdrop Intermediate *xLow yield is less than 20 kilotons, and intermediate yield is 20-1,000 kilotons. **kNot announced. 132