Complex sentence: The "special war" and "strategic hamlet" policies allowed Saigon to push back in 1962, but in 1963 the Viet Cong regained the military initiative, with the Viet Cong winning its first military victory against South Vietnamese forces at Ấp Bắc in January 1963.
Split into simpler sentences: The "special war" and "strategic hamlets" policies allowed Saigon to push back in 1962, but in 1963 the Vietcong regained the military initiative. The Vietcong won its first military victory against South Vietnamese forces at Ấp Bắc in January 1963.