This document outlines the politico-military situation in advance of a 17-25 March 1975 operational command staff exercise. The exercise scenario begins with a conventional offensive initiated by the 'Westerners' at 0600 on 17 March which escalated to a theater nuclear war by 19 March. This briefing document for exercise participants describes the military situation as of the morning of 19 March, including the tactical information on the geographic disposition, activities, and status of Warsaw Pact and 'Western' forces, air defense, communications, electronic warfare, and the situation in the rear. Appendices (included as a .pdf) contain detailed information on: The order of battle of the troops of the 4th Army, The availability of nuclear warheads and surface-to-air missiles [SAMs] in the 4th Army, Information about the nuclear strikes of the "Westerners," Information about the nuclear strikes by the "Easterners" on troops and objectives in the "Westerners" rear, Information about the engineer troops of the 4th Army, Information about the chemical troops of the 4th Army, Information about the signal troops of the 4th Army, Information about the rear of the 4th Army, The order of battle and the identified numbering of the formations and units of the "Westerners."