Timberlake, Accelerated Comparison Test of the K-14 Sight and J-2 fire Control System in the F-86E Fighter to Fighter Combat," in Air Proving Ground Final Report.
(47) The effectiveness of the two sighting systems was to be determined, in part, by a series of camera gunnery passes using six F-86Es: three equipped with the K-14 sights and three with the new A-4 sight.