, ▁the ▁esc adr ille ▁went ▁into ▁action . ▁It ▁moved ▁bases ▁ 1 6 ▁times ▁during ▁August ▁and ▁September ▁ 1 9 1 4 . ▁On ▁ 7 ▁October ▁ 1 9 1 4 , ▁it ▁was ▁posted ▁to ▁X ▁Ar mee ▁of ▁the ▁French ▁Army . ▁ ▁On ▁ 3 0 ▁March ▁ 1 9 1 5 , ▁it ▁re - equ ipped ▁with ▁Mor ane - Sa ul nier ▁L ▁aircraft , ▁becoming ▁Esc adr ille ▁MS ▁ 1 5 . ▁In ▁September ▁ 1 9 1 5 , ▁it ▁trad ed ▁machines ▁again , ▁gain ing ▁N ieu port ▁ 1 1 s ▁and ▁being ▁renamed ▁Esc adr ille ▁N ▁ 1 5 . ▁The ▁esc adr ille ▁was ▁then ▁cons olid ated ▁into ▁an ▁ad ▁h oc ▁Gr oupe ▁de ▁Ch asse ▁along ▁with ▁Esc adr ille ▁F ▁ 1 6 ▁and ▁Esc adr ille ▁N ▁ 5 7 . ▁Under ▁the ▁command ▁of ▁Cap itaine ▁Paul ▁de ▁Pe ut y , ▁this ▁groupe ▁was ▁committed ▁to ▁the ▁Third ▁Battle ▁of ▁Ar to is . ▁On ▁ 2 4 ▁October ▁ 1 9 1 5 , ▁the ▁groupe ▁was ▁c ited ▁for ▁its ▁performance . ▁ ▁In ▁early ▁March ▁ 1 9 1 6 , ▁Esc adr ille ▁N ▁ 1 5 ▁moved ▁to ▁the ▁vic inity ▁of ▁Verd un . ▁On ▁ 8 ▁May ▁ 1 9 1 6 , ▁it ▁was ▁re ass igned ▁to ▁X ▁Ar mee . ▁On ▁ 1 3 ▁December ▁ 1