The PAVN entered the outskirts of Da Nang by mid-morning on 29 March and by the afternoon were in complete control of the city. On 7 April the first VPAF transport aircraft began landing at Da Nang AB to support PAVN operations further south. In mid-April the VPAF formed the Quyet Thang ("Determined to Win") Squadron at Da Nang AB and began preliminary training of pilots on captured RVNAF A-37s, the squadron would carry out the Bombing of Tan Son Nhut Air Base on 28 April.