Reads tech manuals, schematics, and maintenance schedules in order to order, maintain, inventory, and issue repair parts/tools/materials within a workcenter for the on time accomplishment of preventative and corrective maintenance.
Repair Parts Petty Officer
Senior Chief Petty Officer followed by Master Chief Petty Officer.
Petty Officer is abbreviated PO and the rank is usually included, 1st Class, 2nd Class, or 3rd Class Petty officer. E-4 is a 3rd Class Petty Officer, or PO3 E-5 is a 2nd Class Petty Officer, or a PO2 E-6 is a 1st Class Petty Offcier, or a PO1 CPO is a Cheif Petty Officer or an E-7 SCPO is a Senior Cheif Petty Officer, or an E-8 MCPO is Master Cheif Petty Officer, or an E-9 MCPON is Master Cheif Petty Officer of the Navy also E-9
The Chief Petty Officer core competencies were developed to strengthen chief petty officer standards.
Petty Officer J S McRae
In the US Navy, the ranks of "Seaman Recruit", "Seaman Apprentice" and "Seaman" are junior to the rank of Petty Officer 3rd Class. In increasing rank are Petty Officer 2nd Class, Petty Officer First Class and Chief Petty Officer. So, yes, any of the Petty Officer ranks are higher than any of the Seaman (or Airman or Fireman) ranks.
petty officer
The U.S. Navy has many different ranks. These ranks include Seaman Recruit, Seaman Apprentice, Seaman, Petty Officer 3rd Class, Petty Officer 2nd Class, Petty Officer 1st Class, Chief Petty Officer, Senior Chief Petty Officer, Master Chief Petty Officer, Fleet and Commander Master Chief Petty Officer, Chief Warrant Officer 2, Chief Warrant Officer 3, Chief Warrant Officer 4, Chief Warrant Officer 5, Ensign, Lieutenant Junior Grade, Lieutenant, Lieutenant Commander, Commander, Captain, Rear Admiral, Vice Admiral, Admiral Chief of Navy Ops, and Fleet Admiral.
Master Chief Petty Officer of the Navy Rick D. West .
There were many more military positions in Colonial times. The go from, Crewman Apprentice, Crewman, Specialist, Petty Officer Second Class, Petty Officer First Class, Chief Petty Officer, Master Chief Petty Officer, Warrant Officer, Ensign, Junior Lieutenant, Lieutenant, Captain, Major, Colonel, Commander, Rear Admiral, and Admiral.
buson
Yes a HM3 is a third class petty officer. HM denotes that the person's rate (or job person is assigned) in this case it is a hospital corpsman. The Number following shows his pay grade. HM2 is a second class petty officer and HM1 first class petty officer. A third class petty officer is an E-4 which is the equivalent to a Marine Corporal which is also an E-4.