Cpl. Waldemar Jabs's 1920s-era dress blue uniform. The era is notable because it is the first period in Marine Corps history in which enlisted men wore the eagle, globe, and anchor collar ornaments on their dress and service uniforms. - Cpl. Waldemar Jabs's 1920s-era dress blue uniform. The era is notable because it is the first period in Marine Corps history in which enlisted men wore the eagle, globe, and anchor collar ornaments on their dress and service uniforms.