10-15. When the loadmaster informs the JMs the aircraft has a 10 minute warning to the DZ, the JMs unbuckle their seat belts and stand up They hook up to the inboard anchor line cable and move to the rear of the aircraft.10-16. JMs should be positioned forward of the paratroop door when conducting jump commands. The JMs begin jump commands after the 10-minute time warning. During this process, they look for excess static line and stow any excess in the static line slack retainer band.