This Proposed Plan, presented by the U.S. Army Corps of Engineers (Corps), provides an opportunity for public review and comment on the recommended action for the Airport Landfill (Area of Concern [AOC] 1), Sewage Treatment Plant Landfill (AOC 2), and Former Fire Training Area (AOC 3) (please see Figure 1) at the former Sewart Air Force Base Formerly Used Defense Site located in Smyrna, Tennessee. The Airport Landfill (AOC 1) and Former Fire Training Area (AOC 3) properties are owned by the Smyrna/Rutherford County Airport Authority.