paratroopers is called a "stick," while any load of soldiers gathered for air movement is known as a "chalk." The terms come from the common use of white chalk on the sides of aircraft and vehicles to mark and update numbers of personnel and equipment being emplaned.

In World War II, paratroopers most often used parachutes of a circular design. These parachutes could be steered to a small degree by pulling on the risers (four straps connecting the paratrooper's harness to the connectors) and suspension