Original sentence: In November 1983, NATO maneuvers simulating a nuclear launch caused panic in the Kremlin.The Soviet leadership, led by ailing General Secretary Yuri Andropov, became concerned that the maneuvers, codenamed Able Archer 83, were the beginnings of a genuine first strike.These missiles were theater nuclear weapons intended to strike targets on the battlefield if the Soviets invaded West Germany
Edited sentence: In November 1983, NATO manoeuvres simulating a nuclear launch caused panic in the Kremlin.The Soviet leadership, led by ailing General Secretary Yuri Andropov, became concerned that the manoeuvres, codenamed Able Archer 83, were the beginnings of a genuine first strike.These missiles were theatre nuclear weapons intended to strike targets on the battlefield if the Soviets invaded West Germany