"This training circular sets forth a procedure and technique that may be used by ground and air observers as an alternate method for conduct of artillery gunfire to that set forth in Department of the Army Training Circular No. 1, 1948, and FM 6-40. Its scope covers the technique and procedures to be used by the observer, the fire-direction center, and the firing battery, when the target grid is used."--Page 1.

Caption title. "Proposed Training Circular"--Front cover. "This text is approved for resident instruction only. It reflects the current thought of this School and conforms to printed Department of the Army doctrine as closely as currently possible. Development and progress render such doctrine continuously subject to change.".

Section IGeneral -- Section II Observer procedure -- Section III Fire-direction center procedure -- Section IV Firing battery procedure.