Navy E-4/5/6 Machinist's Mate Rating Badges ISLAND_8C~MCR-68101 United States Air Force Commander's

United States Air Force Commander's Insignia Badge

The basic badge is unique in its design while the senior and master badges are similar in appearance with the master badge displaying the words "Peritus" in a gold arch at the top of the badge

This shadow box also includes a custom-engraved brass nameplate

and other personnel whose duties bring them in direct and frequent contact with the Secretary of Defense

Navy E-4/5/6 Machinist's Mate Rating Badges ISLAND_8C~MCR-68101 United States Air Force Commander'sUnited States Navy E 4 5 6 Machinist's Mate Rating Badge Criteria: Worn by Machinist's Mates (MM) with ranks from Petty Officer 3rd Class (E 4) to Petty Officer 1st Class (E 6). Machinist's Mates are typically responsible for the continuous operation of the engines, compressors, refrigeration and air conditioning equipment aboard the USN's vessels and at their land based installations. Some Machinist's Mates are also trained in Health Physics and