It further encouraged the president to ask the JCS for their views on three issues: (1) an advance warning to Khrushchev; (2) the necessity of follow-up sorties to an initial “surgical” attack; and (3) the possibilities of a commando-type raid by parachute or helicopter.

Martin J. Sherwin, Gambling with armageddon: Nuclear roulette from hiroshima to the cuban missile crisis, 1945-1962, New York, 2020, p. 277