The individual equipment of the US military now covers four aspects: personal protection, survival support, weapons and equipment, and night vision equipment. Take the loading capacity of American army riflemen as an example. In addition to individual weapons, he usually wears three-proof clothing, gloves and masks for nuclear and biochemical protection, as well as standard body armor, binoculars/sights for individual soldiers, night vision goggles and batteries. He also carries a sling-type vehicle on his shoulder, and the back frame is made of aluminum alloy, which contains bullets, kettles, GPS, PDA, reconnaissance equipment, biochemical weapon detectors and medical aid. Counting down, a soldier's back has more than 100 kinds of equipment.