Military Support Box (Military Equipment Case) A Military Support Box (also called a military equipment case or field equipment case) is a rugged container designed to store, transport, and protect military equipment in harsh environments such as deserts, forests, or combat zones. 1. Purpose The main purpose of a military support box is to protect sensitive equipment from damage during transport and field operations. Common uses include storing: Communication devices (radios, satellite equipment) Weapon accessories Optics (scopes, night vision) Drone parts Medical kits Tools and repair equipment Batteries and electronics Sensitive sensors In military operations, equipment often travels through dust, water, vibration, and shock, so the box must be extremely durable..