 The process involved zeroing in an aircraft's machine guns on a firing range.Degelow accidentally wounded a member of the unit and was hastily reassigned on 17 August to Prussian "Jasta 7" to fly a Pfalz D.III under the leadership of Leutnant Josef Jacobs.Degelow chose to fly a Pfalz because the Albatros D.V available to him had a reputation at the time for losing its wings in a dive.