The artillery observer, suspended in the wicker basket beneath, typically had a wireless transmitter, binoculars and/or a long-range camera.
His job was to observe actions on the front-line and behind it, to spot enemy troop movements or unusual activity of any sort, and to call down artillery fire onto any worthwhile targets.
Due to their importance, balloons were usually given heavy defenses in the form of machine gun positions on the ground, anti-aircraft artillery, and standing fighter patrols stationed overhead.
There, he watched as a Fokker D VII, flown by Unteroffizier Hans Heinrich Marwede from Jasta 67's aerodrome at Marville, attacked and set on fire three French observation balloons.
[186] William Sanders' novel The Wild Blue and the Gray was set in a World War I squadron that flew several balloon-busting missions.