Corrections and Clarifications

Missile Defense: LBJ's Bid To Curb Arms Race Gains Support

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Science  14 Apr 1967:
Vol. 156, Issue 3772, pp. 229
DOI: 10.1126/science.156.3772.229-a


In the article of 31 March on antiballistic missile defense, the last sentence of paragraph 2, p. 1654, should read: "Manpower for producing . . . but the outer limit would be about 200,000, or half the number of contractor employees and civil servants working for NASA at the peak of the Apollo program."