457th Chemical Battalion Unit Crest (Cover the Attack) - Sold in Pairs ISLAND_19~83760 They are assigned to Naval

They are assigned to Naval Special Warfare Units to provide diving technical expertise and supervisory support to all submersible operations

" is written across the bottom of the design and translates as

Airmen will wear the first Remote Combat Effects Campaign Medal award and will wear a bronze service star for any subsequent medal awarded to recognize each qualifying DOD combat operation in which the Airman participated for one or more days

A 1 3/4 inch coin

Philippine Liberation Miniature Medal - WWII

457th Chemical Battalion Unit Crest (Cover the Attack) - Sold in Pairs ISLAND_19~83760 They are assigned to NavalUnited States Army 457th Chemical Battalion Unit Crest (Cover the Attack) Criteria: Unit Crests are unique to each unit in the U. S. Army and are officially known as Distinctive Unit Insignia although most Soldiers refer to them as "Unit Crests." The insignia design is derived from the coat of arms authorized for a unit. All personnel assigned to the organization wear the insignia, except general officers, the Sergeant Major of the Army and the Senior