1610L/2110Z: COWBOY 21, a flight of at least three Hornets passed thru the area W/Memphis Ctr 379.25>285.5>, Indy Ctr 353.65 and is requesting to do a survey of an area south of Lexington, KY for a memorial flyby Saturday. F/A-18A, VMFA-112, Ft Worth/USMCR A/A: 318.65 Joe Nashville, Tn.