United States Army Corps of Engineers

==1775–present (insignia)==
==1839–1981, 1981–present (secondary)==
This logo was first used on uniforms in 1839 and officially adopted in 1840. In 1981, it was officially replaced and is only seen on awards, historic presentations, and stationery. 
==1981–present==
Category:United States Armed Forces
Category:United States Army
Category:Military
Category:United States
Category:Government
Category:Government agencies
Category:Government agencies in the United States
Category:United States
Category:1770s
Category:1775