At 09:40, the commander of Group C called up various reinforcements from Hué including two companies of Vietnamese trainee NCOs and five infantry companies, two of which came via landing craft and did not reach the beleaguered elements of Group C until 18:00, half an hour after the Moroccans had finally counter-attacked and occupied Phu-An.
But the beleaguered element isn't all bad, especially when it's protecting you from radiation.