Israel wants the STOL version of the F35. It is by no means certain that the United Kingdom will allow the export of Rolls Royce engines to Israel. As we will not want this technology appearing on Chinese planes a couple of years later. Notwithstanding the fact that a british government will face a backlash from the voting public for providing airplanes for Israel to bomb civilians as in Cast Lead.
South African court throws out fraud case against opposition politician (Reuters)
from the article: Does Obama delay in scheduling Netanyahu meet point to crisis?