Then purchase your weapons and electronics from other sources. There are plenty of other countries that prodiuce weapons. If you do not wish to abide by the agreements that you signed when purchasing the Head up Display's from the United Kingdom. Then use the original HUDS fitted to the F16 and produced in the UK. Yes I can see your problem.
Firebomb thrown during demonstration in northern Israeli town of Umm al Fahm (Haaretz)
from the article: 'British MPs seek review of arms exports to Israel'