 At first light Air America helicopters hovered over Lima Site 85 to start the evacuation, which was covered by USAF A-1 Skyraiders.Immediately, Hmong soldiers and their CIA commanders rushed the TACAN site and shouted to the US technicians that help was coming.In response, the PAVN Special Forces organized a defense around the TACAN site, and hid their dead and wounded comrades under the large rocks which dotted Phou Pha Thi.