unbreakable

The U.S.-Israel bond is unbreakable, but the United States will keep both sides accountable for their actions, U.S. Vice President Joe Biden said.

The alliance between Israel and the United States is unbreakable, U.S. President Barack Obama will tell Israelis at a memorial ceremony for former prime minister Yitzhak Rabin on Saturday night.
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Speaking at Independence Day celebrations at US ambassador's home in Herzliya amidst growing tensions over settlement issue, prime minister pledges Israel's ties to America are 'close and unbreakable'