APPENDIX “I” (b)
ACTION OF MEDIUM TRENCH MORTAR BATTERIES.
(1). Six Medium Trench Mortars will support the raid if required.
(2). These Mediums will be distributed as follows:-
Battery. Rate of fire. Guns. Objective.
“Y”/M.T.M.B. 1 round per gun per 2. N.10.b.58.28.
1st Canadian – do – 2. N.6.d.15.55.
(3). (a) Batteries will “stand by” from Zero minus 30 mins. until notified that operations are over.
(b) If Batteries have not been called upon to shoot during the period of the raid, they may carry out a destructive shoot as soon as the operations are over.
(4). Batteries will only open fire:-
(a) When the rocket signals mentioned in Appendix I (a) are released.
(b) When their respective Zone batteries open fire if no rockets are released.
(c) If specially requested to do so by the O.C. Raid.
170th Infantry Brigade