Read about it from National Security Archive https://nsarchive.gwu.edu/ here:
The Battle of the Letters, 1963: John F. Kennedy, David Ben-Gurion, Levi Eshkol, and the U.S. Inspections of Dimonahttps://nsarchive.gwu.edu/briefing-book/nuclear-vault/2019-05-02/battle-letters-1963-john-f-kennedy-david-ben-gurion-levi-eshkol-us-inspections-dimona
QuoteKennedy Warned Israeli Leaders in 1963 That U.S. "Commitment and Support" Could be "Seriously Jeopardized" Absent Inspection of Dimona Reactor
U.S. Intelligence Estimated That by Mid-1960s Dimona Could Produce Enough Plutonium For "One or Two Weapons A Year"
Read what Israhell has to say about it in this Haaretz article:
How a Standoff With the U.S. Almost Blew Up Israel's Nuclear ProgramKennedy's ultimatum, Ben-Gurion's 'sick' reply and a 'fiasco' nuclear inspection: Newly declassified documents shed light on the diplomatic crisis that some feared may lead to a U.S. raid on Israel's Dimona plant
https://www.haaretz.com/israel-news/.premium.MAGAZINE-how-a-standoff-with-the-u-s-almost-blew-up-israel-s-nuclear-program-1.7193419
QuoteWithin days of taking office, Kennedy began urging Ben-Gurion to accept a U.S. visit to Dimona, insisting it was a condition for good ties.
Mike Piper's famous book, "Final Judgment," presents his research into the question whether Israhell killed JFK, because he was trying to prevent Israhell from obtaining nukes.
Here is a link to the book in HTML format: http://www.unz.com/book/michael_collins_piper__final-judgment/
Here is a pdf of the book:
[pdf]http://911tv.org/Library/LB-0011%20Michael%20Collins%20Piper%20-%20Final_Judgment.pdf[/pdf]
http://911tv.org/Library/LB-0011%20Michael%20Collins%20Piper%20-%20Final_Judgment.pdf