 Following the completion of Operation Hastings, the artillery and tanks from the 3rd Tank Battalion remained at Cam Lộ with security provided by 2 Companies from 2/4 Marines.The artillery and tanks were used to support Marine patrols into the DMZ as part of Operation Prairie.On the early morning of 26 August the 812th Regiment of the PAVN 324B Division attacked Cam Lộ resulting in 9 Marines killed and 20 wounded.