Lt. Victor N. Corpus, a graduate of and subsequently instructor at the Philippine Military Academy (PMA, the Philippine equivalent of West Point), who in 1970 defected to the New People's Army (NPA), the armed wing of the Communist Party of the Philippines. When he defected, he led a group of NPA guerrillas in raiding the PMA armory and bringing out high-powered firearms that considerably boosted the guerrilla group's armed strength.