EARLY EPISODE: Operation Lam Son 719 (Patreon)

In 1971 South Vietnam invaded Laos. It did not go well. 

Sources: 

https://www.comanchero.org/LamSon719.html

https://www.rfa.org/english/commentaries/invasion-02172021125804.html

https://www.jstor.org/stable/27016309

Robert Sander. The Invasion of Laos, 1971

 https://www.jstor.org/stable/3024288

https://www.history.com/news/laos-most-bombed-country-vietnam-war

https://warfarehistorynetwork.com/article/mauled-in-laos/

https://warfarehistorynetwork.com/article/the-nightmare-mission-into-laos-operation-lam-son-719/