sentences:  At the same time a flight of RVNAF A-1 Skyraiders arrived overhead and destroyed 5 tanks.When the ARVN armor arrived they destroyed five T-54s for no losses and drove one captured T-54 back to Ái Tử.On 10 and 11 April further PAVN attacks on Pedro were repulsed at a cost of over 200 PAVN estimated killed.