Rubuta ci gaba ga wannan sakin layi - "Aéronautique Militaire" ne ya zaɓi nau'in don ba da ƙungiyoyi biyu, REP 15 da REP 27. Nau'in Ns daga tsohuwar rukunin ya tashi ayyukan bincike a lokacin yakin Charleroi
a watan Agustan 1914, da kuma nau'in Ns daga duka raka'a biyu sun tashi a lokacin yakin farko na Marne a watan Satumba. Bayanin da jirgin sama na leken asiri ya bayar ya tabbatar da cewa babban abu ne a nasarar Allied a Marne. A watan Janairun 1915, an haɗu da raka'a biyu kuma an sake sanye su da Caudron G.3, amma sun ci gaba da aiki da REP Type N a kalla har zuwa Maris.