sentences:  On August 5, 1963, the Limited Test Ban Treaty, which banned nuclear testing in the atmosphere, under water, or outer space, was signed in Moscow.This was to be the first in a series of arms control agreements between the superpowers.On March 6, 1967, Kohler received word that Svetlana Alliluyeva, the daughter of former Soviet leader Joseph Stalin had decided to defect to the U.S. in New Delhi.