Air Balloons in the Civil War (U.S. National Park Service)
Civil War hot air balloons: Thaddeus Lowe and Union aerial reconnaissance.
History of ballooning - Wikipedia
Korea's Balloon War - FPIF
Trent Telenko on Twitter: "Since there is so much sensationalism & little sense around the "Chinese Spy Balloon." I'll address WW2 historical WW2 "Balloon Warfare" by Britain & Japan for context. Then
Last Water Balloon War of the Season - YouTube
Star Wars BB8 Mini Foil Balloon – Momo Party
Chinese surveillance balloon was at least 5th spotted over the U.S. in past 6 years, U.S. officials say