 The squadron's victories came at the expense of seven pilots killed in action, one killed in a flying accident, five wounded in action, and one taken prisoner of war.Jasta 39 was founded on 30 June 1917 at "Fliegerersatz-Abteilung" (Replacement Detachment) 15, Hannover, Germany.It held its first formation 2 August 1917, under its original commander, Karl August Raben.