Best of 2025: Who is MandatoryFunDay? - Tango Alpha Lima

Army 1st Lt. Austin von Letkemann, better known to his Instagram followers as MandatoryFunDay, has become a frequent flyer on our show in 2025. But his first appearance was what made him one of our most impactful guests of 2025, when he talked about his unusual rise to fame. His Instagram channel, with 20 million monthly views, features comedy videos that poke fun at various parts of military life. @mandatoryfunday