These scanned reference materials — a section of a Vietnam highlands tactical map and accompanying ordnance and rendezvous data cards — belonged to a Misty forward air controller. Fast FACs like the Misty pilots flew high-speed reconnaissance and strike-direction missions along the Ho Chi Minh Trail, relying on precomputed TACAN 'Delta Point' rendezvous coordinates and standardized ordnance codes to coordinate airstrikes deep in hostile territory. Project: 218862