The United States Army Corps of Engineers (USACE) is made up of approximately 34,600 Civilian and 650 military members. Military and civilian engineers, scientists, and other specialists work hand in hand as leaders in engineering and environmental matters. Their diverse workforce of biologists, engineers, geologists, hydrologists, natural resource managers and other professionals meets the demands of changing times and requirements as a vital part of U.S. Army.

... more on their website listed below.