31. In 1970-71, he was a Raven Forward Air Controller based at Udorn Royal Thai Air Force Base. 32. "Roger, " the Forward Air Controller answered. 33. Yet the Rules of Engagement mandated a forward air controller direct all air strikes in South Vietnam. 34. The following year, the division deployed OA-37 Forward Air Controllers to Southwest Asia for Operation Desert Shield. 35. He flew 394 combat missions as a forward air controller in the O-1 Bird Dog in Vietnam. 36. Some F-14Ds were upgraded in 2005 with a Forward Air Controller ( FAC ) on the ground. 37. The identity of the Navy pilot flying as the airborne forward air controller has not been released. 38. The Forward Air Controller with Egbers, Sergeant Voskamp, was hidden in the trees nearby and had calmed down. 39. The mission of the 174th was to train Forward Air Controllers ( FAC ) for service in Vietnam. 40. However, laser designation for these attacks was carried out by a forward air controller using a ground designator.