The PR rating in the U.S. Navy stands for Aircrew Survival Equipmentman.
PRs are responsible for:
Inspecting, maintaining, and repairing:
Parachutes
Seat pans
Survival equipment
Flight and protective clothing and equipment
Packing and rigging parachutes
Packing and equipping liferafts
Troubleshooting oxygen systems
Repairing and testing oxygen regulators and liquid oxygen converters
PRs are responsible for maintaining the safety equipment that could save a Naval Aviator’s life in an emergency. They are most common at the PO3 and P02 levels.
Helpful attributes for PRs include:
Curiosity
Writing and speaking skills
Physical fitness
Awareness and appreciation of details
Ability to follow through every step of the way
The PR rating is included in Navy Occupational Group IX (Aviation).