sentences:  The operational plan was for the Marines to move west from Tây Lộc Airfield and then turn south, however they were soon stopped by strong PAVN defenses; after two days the Marines had only advanced 400 metres.On 17 February the Marines and 3rd Regiment resumed their attacks south, while the 1st Division's Black Panther Company was moved to support the right flank of the US 1st Battalion, 5th Marines, over the next 3 days these forces would slowly reduce the PAVN's perimeter.On 22 February after a barrage of 122mm rockets the PAVN counterattacked the Marines who pushed them back with the support of the Black Panther Company.