Ground crews must remain alert during hookup and release operations. Good, sound judgment and common sense are the keys to success. They must be ready, at all times, to get clear of the load. In the past, soldiers have been crushed between the aircraft and loads, have been dragged over them, or have taken an unwanted ride because they inadvertently became entangled with the load. Particular care should be exercised during hookup operations if the crew must mount the load to affect hookup.