heavy-drop

This reduces the time lag between personnel and heavy-drop chalks due to the need to move friendly troops off the DZ.

FM 7-85 Chapter 4 Insertion, Extraction, Escape, and Evasion United States Army 1987

Remaining heavy-drop serials or LAPES can be scheduled following P-hour.

FM 7-85 Chapter 4 Insertion, Extraction, Escape, and Evasion United States Army 1987

By dropping a resupply of water, food, equipment, and munitions with the ranger force insertion, the heavy-drop aircraft do not have to conduct a separate penetration of the enemy air defense zone.

FM 7-85 Chapter 8 Combat Service Support United States Army 1987

The ECM and SEAD programs used in the insertion of the personnel aircraft mask the penetration of the heavy-drop aircraft.

FM 7-85 Chapter 8 Combat Service Support United States Army 1987

(f) During reduced visibility, essential heavy-drop serials may precede personnel aircraft.

FM 7-85 Chapter 4 Insertion, Extraction, Escape, and Evasion United States Army 1987