sentences:  With defeat imminent, General Trưởng shipped all organized forces, mostly Marines, out of Da Nang toward Saigon, then he and most of his staff left; some of them, General Truong included, had to swim through the surf to the rescuing fleet of boats.Da Nang, the last enclave of South Vietnam presence in I Corps, belonged to the PAVN by nightfall on 30 March.By 2 April, the survivors of the Marine Division were disembarking at Vung Tau.