 With his young Turk classmates, Pallop was involved in successful military coups against the governments of Seni Pramoj and Tanin Kraivixien and an unsuccessful April Fool's Day 1981 coup against the government of Prem Tinsulanonda.He also admitted masterminding a number of assassination attempts against General Arthit Kamlang-ek, commander of the Army under Prem.He participated in guerrilla-warfare missions in Laos in 1966 and 1967 and was appointed chief of the Special Thai Ranger Army, a volunteer unit which carried out clandestine, anti-communist guerrilla operations financed by the US Central Intelligence Agency against the North Vietnamese Army along the Ho Chi Minh Trail in the Kingdom of Laos, in 1968.