#15 An observation balloon ascends on the French front, 1915.

An observation balloon ascends on the French front, 1915.

Military Observation Balloons of WWI: Before Satellites And Drones, these Hot Air Balloons Were Used For Surveillance

#15 An observation balloon ascends on the French front, 1915.

WWI

Related posts:

#32 1920s Berlin: 50+ Historical Photos Showing Everyday Life In Berlin After World War I #32 WWI

#54 Straw dummy in the basket of a balloon, 1914.

#5 A German Type Ae 800 observation balloon ascending.

#64 1920s Berlin: 50+ Historical Photos Showing Everyday Life In Berlin After World War I #64 WWI

#31 Derelict tanks knocked out of action by an enemy tank strafing gun

#1 Historical Photos show Soldiers getting Haircuts during World War I #1 WWI

#20 Berlin, 1927.

#30 Surgical Center, Belgium, 1917

#3 A Japanese poster manages to make President Roosevelt look uncannily like Bela Lugosi.