On a red disc 2 1/2 inches (6.35cm) in diameter an ax stuck in a half split rail - ax and rail white all enclosed with 1/8 inch (.32 cm) (.32cm) Army green border.
The 84th Division, once known as the "Lincoln Division," was organized with personnel from Indiana, Kentucky and Illinois, states with which President Abraham Lincoln was associated and where he split rails for fences in his youth.
The shoulder sleeve insignia was originally approved for the 84th Division on 15 Apr 1924. It was authorized for the 84th Airborne Division and amended to add the Airborne tab on 13 Feb 1951. On 6 Sep 1960 the insignia was amended to delete the airborne tab and redesignated for the 84th Division (Training). (TIOH Drawing Number A-1-131)