Col. Rhett Blackmon, U.S. Army Corps of Engineers (USACE), Galveston District (SWG) commander, recognizes Michael Nelson, SWG Geospatial Branch, engineering technician, for 40 years of federal service, during the SWG Fiscal Year 2023, 4th Quarter Army Professional Awards Ceremony and Townhall at the Jadwin Building in Galveston, Texas, Sept. 7, 2023.