They were credited with the destruction of 34 German airplanes and observation balloons, as well as extensive photo intelligence coverage of enemy positions.

[1] On 5 February 1918, the squadron, along with three others, had been incorporated into Groupe de Combat 17.

[1] Although details of combat operations are lacking, Escadrille Spa.77 was obviously engaged; it was cited in orders on 18 July 1918 for downing 22 German airplanes and 13 observation balloons.

Their second time being cited in orders, on 9 October 1918, credited the squadron with destruction of 34 German airplanes and 25 observation balloons.

The unit would destroy one more observation balloon before the Armistice on 11 November 1918.