On 20 August 1944, II./JG 3 was replaced by III./Jagdgeschwader 76 (JG 76), also flying Bf 109Gs until the end of the month when the Germans were driven from the area by the advancing Allied armies.

[1] On 22 August Athis came under attack by elements of the 354th Fighter group, Ninth Air Force conducting a fighter-sweep across northern France.

[2] In addition to the airfield, tents were used for billeting and also for support facilities; an access road was built to the existing road infrastructure; a dump for supplies, ammunition, and gasoline drums, along with a drinkable water and minimal electrical grid for communications and station lighting.

It was declared operationally ready for Ninth Air Force combat units in September being designated as Advanced Landing Ground "A-76 Athis Airfield" Almost immediately, the 36th Fighter Group moved in, flying P-47 Thunderbolts from the field until 1 October.

(Épernay-Plivot Airport (IATA: XEP, ICAO: LFSW)) is located to the south east of the wartime Athis site.