Special Operations Parachute Riggers assist Naval Special Warfare (NSW), US Navy SEALs, and Explosive Ordnance Disposal (EOD) units throughout the world. They inspect, maintain, pack, and use specialized premeditated personnel static-line and free-fall parachute systems. They use and maintain specialized aerial delivery and re-supply systems, and helicopter insertion and extraction systems unique to NSW and EOD units. They function as Parachute Jump (P.J.) and Helicopter Rope Suspension Techniques (HRST) masters. They also perform paraloft management, administrative functions, ordnance handling functions, and Quality Assurance (Q.A.) inspections.