USACE Omaha District Photos

District employee set to retire after 43-year career of safeguarding buildings, people

Don Dittus, a mechanical engineer with the U.S. Army Corps of Engineers, Omaha District, Protective Design Center of Expertise, programs a DG-700 Pressure and Flow Guage while preparing for a pressure demonstration as part of a Building Air Barriers and Pressure Testing PROSPECT course being taught at Fort Carson, Colorado, April 16, 2026. Air barriers are used in building construction to reduce the exchange between outdoor and indoor air, improving energy efficiency and safety. (U.S. Army Corps of Engineers photo by Delanie Stafford)