Hi Clint,
31 july 1915 : VB103 went to bomb the airfield of Dalhain (close Morhange). After this bombing Cal Jean Vialatoux (pilot) and Mdl Albert Mellinger (obs) are missing (POW) with Voisin n°V475
Partial source : De l'Etoile à la Cigogne, l'escadrille 103 by Claude Thollon-Pommerol
http://www.asoublies1418.fr/index.ph...escadrille-103
Bertrand