https://military-historian.squarespace.com/archive-1/2015/1/4/military-ballooning-in-the-american-civil-war
Military Ballooning in the American Civil War — The Military Historian
During the American Civil War, both the Union and the Confederacy used balloons for observation and reconnaissance, foreshadowing the usage of aircraft in...
american civil warmilitary ballooninghistorian
https://blog.historicaerials.com/tag/british-military-ballooning/
British military ballooning Archives - Blog Historic Aerials
british militaryballooningarchivesbloghistoric