Navy E-4/5/6 Machinist's Mate Rating Badges Rating Badge Type:Blue Serge Criteria: Worn by Intelligence Specialists

Criteria: Worn by Intelligence Specialists (IS) with ranks from Petty Officer 3rd Class (E-4) to Petty Officer 1st Class (E-6)

The second is a platform-specific PQS which consists of several training tasks and other practical experience on-the-job exercises relevant to the particular aviation community the sailor is currently serving in

Worn on the lower left breast pocket of a military uniform

United States Army Branch Specific Shoulder Cords

United States Army Cap Strap

Navy E-4/5/6 Machinist's Mate Rating Badges Rating Badge Type:Blue Serge Criteria: Worn by Intelligence SpecialistsUnited 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