A Silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a shield blazoned:  Gules, on a saltire Argent two vols conjoined Azure surmounted in fess by a plate charged with a fleur-de-lis of the third and fimbriated of the like.  Attached below and to the sides of the shield a Silver scroll inscribed "LES HOMMES DE LA TERRE" in Blue letters.

Red and white are used for Engineers.  The saltire is drawn from the cross of St. Andrew which represents sacrifice. Additionally, the saltire is used to represent landing strips and in conjunction with the wings (the blue color alluding to the sky) refers to the nature and mission of the Battalion.  The fleur-de-lis is for combat service in France, World War II.  The motto translates to “The Men of the Earth.”

The distinctive unit insignia was originally approved for the 877th Engineer Aviation Battalion on 14 March 1955.  It was redesignated for the 877th Engineer Battalion and amended to correct the motto on 17 September 1968.  The symbolism was amended 27 July 2023

Shield

Gules, on a saltire Argent two vols conjoined Azure surmounted in fess by a plate charged with a fleur-de-lis of the third and fimbriated of the like.

Crest

That for the regiments and battalions of the Alabama Army National Guard:  On a wreath of the colors Argent and Gules, a slip of cotton plant with full bursting boll, Proper.

Motto

ES HOMMES DE LA TERRE (The Men Of The Earth).

Shield

Red and white are used for Engineers.  The saltire is drawn from the cross of St. Andrew which represents sacrifice. Additionally, the saltire is used to represent landing strips and in conjunction with the wings (the blue color alluding to the sky) refers to the nature and mission of the Battalion.  The fleur-de-lis is for combat service in France, World War II.

Crest

The crest is that of the Alabama Army National Guard.

The coat of arms was originally approved for the 877th Engineer Aviation Battalion on 14 March 1955.  It was redesignated for the 877th Engineer Battalion and amended to correct the motto on 17 September 1968.  The symbolism was amended 27 July 2023.