title: 397th
text: # 397th
  
  397th may refer to:
  
  * 397th Bombardment Squadron, inactive United States Air Force unit
  * 397th Bombardment Wing, inactive United States Air Force unit, last assigned to the 45th Air Division of Strategic Air Command
  * 397th Engineer Battalion (United States), construction battalion of the United States Army based in Eau Claire, Wisconsin
  * 397th Fighter Squadron, inactive United States Air Force unit
  