They are our only sure, friendly staging area in the entire mideast. 80,000+ US citizens live there. Given the importance of oil
They are world class IT, nuke, weapons, and water innivators.
Finally, God said those who bless you I will bless and those who curse you I will curse.
You can rest assured God was promising favor and protection within his covenant with the house of Jacob — not to a secular 20th century state that conveniently happens to use that name.