[4]: 371–2 By mid-April the lead elements of 3rd Corps were located at Dầu Tiếng Base Camp ready to attack the northern approaches to Saigon.

[1]: 400  On 29 April the division advanced down Highway 1 and attacked ARVN forces at the Quang Trung National Training Center.

By midnight on 29/30 April the division's advanced elements had reached the Ba Queo intersection and began attacking Tan Son Nhut Air Base.

[1]: 418  At 07:15 on 30 April the 24th Regiment supported by tanks approached the Bay Hien intersection (10°47′35″N 106°39′11″E / 10.793°N 106.653°E / 10.793; 106.653) 1.5 km from the base's main gate.

The division ordered 8 more tanks and another infantry battalion to join the attack, but as they approached the Bay Hien intersection they were hit by an airstrike from RVNAF jets operating from Binh Thuy Air Base which destroyed two T-54s.

[4]: 490–1 This article incorporates public domain material from websites or documents of the United States Army Center of Military History.