On 1 November 1916, the temporary Groupement of the four original units was formalized as Groupe de Combat 12; it became more commonly known as les Cigognes (the storks).
La 1 noiembrie 1916, Groupement-ul celor patru unități a fost transformat oficial în Groupe de Combat 12; el a devenit mai cunoscut sub numele de les Cigognes (Berzele).