After some days spent in RFC disciplinary camp for flying in Flanders at end of may 1916 with a false pilot license, sergeant Alf Field is sent back to front on July 16th 1916 in the squadron. Martial court of british expeditionnary corps, motivate the sentence that this felon pilot will be more usefull at front than spending the rest of war in a jail (even if some members of the court doubt that he will survive longer to the war...) pilot