It'd be a lot of work to get the Neptune to talk to the 1760 data bus.
Good point!
Though if any of the UkrAF planes were refitted with the 1760 data bus before the war it'd be a lot easier.
What could be done would be for an adaptor pylon to be created (A bit like the one used to enable Ukrainian MiG-29s and Su-27s to launch and fire the AGM-88) to act as an electronic-interface between the F-16 and the Neptune.