Obama has declared the use, deployment or transfer of the weapons would be a "red line" for possible military intervention by the U.S. in the Syrian conflict.
Before he even leaves Ben Gurion airport for the 45-minute helicopter flight to Jerusalem, Obama will stop to view an Iron Dome battery, part of the missile defense system that the United States has poured hundreds of millions dollars into developing. Israeli officials credit Iron Dome with significantly reducing the impact of rockets fired into its territory from militants in the Gaza Strip and Lebanon and don't want to see U.S. funding cut due to budget constraints.
Once in Jerusalem, a potent religious symbol as well as one of the main obstacles to an Israeli-Palestinian peace deal, Obama will make several cultural stops — to see some of the ancient Dead Sea Scrolls and pay tribute to the founder of modern Zionism — intended to show his appreciation for the Jewish people's millennia-old connection to the land that is now Israel as well as the horrors of the Holocaust. He will also visit the Church of Nativity, which is revered throughout Christiandom as the site where Jesus was born.
Obama will make an almost perfunctory visit to the cash-strapped Palestinian Authority's headquarters in the West Bank, where he will meet embattled Palestinian President Mahmoud Abbas to assure him that an independent Palestinian state remains a U.S. foreign policy and national security priority. Despite not coming with any new plan to get the stalled peace process back on track, Obama plans to make clear that his administration intends to keep trying to get talks relaunched.
Preventing Iran from developing a nuclear weapon and the Syrian crisis from spilling over into the broader region are top priorities of Israel and the United States, although they have differed in the past on precisely how to achieve both ends.
Iran, in particular, has been a vexing issue, as Iranian leaders continue to defy pressure from the U.S. and other world powers to prove that its nuclear program is peaceful and not, as many suspect, cover for atomic weapons developments.
Israel repeatedly has threatened to take military action should Iran appear to be on the verge of obtaining a bomb. The U.S. has pushed for more time to allow diplomacy and economic penalties to run their course, though Obama insists military action is an option.
But there are differences over a timeline for possible military action. Netanyahu, in a speech to the United Nations in September, said Iran was about six months away from being able to build a bomb. Obama said last week that the U.S. thinks it would take "over a year or so for Iran to actually develop a nuclear weapon."
Obama will close out his Mideast trip with a 24-hour stop in Jordan, an important U.S. ally, where his focus will be on the violence in Syria. More than 450,000 Syrians have fled to Jordan, crowding refugee camps and overwhelming aid organizations.
In his talks with Jordan's King Abdullah, Obama also will try to shore up the country's fledgling attempts to liberalize its government and stave off an Arab Spring-style movement similar to the ones that have taken down leaders elsewhere in the region.
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