ShieldGules, a winged bulldozer in perspective Argent.
CrestThat for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Argent and Gules, the Lexington Minute Man Proper. The statue of the Minute Man, Captain John Parker (H.H. Kitson, sculptor), stands on the common in Lexington, Massachusetts.
MottoFAST - RUGGED.
ShieldThe shield is in the colors of the Corps of Engineers. The winged bulldozer symbolizes the organization's function and its connection with Aviation.
CrestThe crest is that of the United States Army Reserve.
The coat of arms was originally approved for the 365th Engineer Aviation Battalion on 9 January 1958. It was redesignated for the 365th Engineer Battalion on 28 July 1959.