“I’ve served with eight presidents of the United States of America and I can assure you, unequivocally, no president has done as much to physically secure the state of Israel as President Barack Obama,” Biden said during his speech at a conference of the American Israel Public Affairs Committee in Washington.

Obama’s relationship with Israel has at times been tense, with Israeli Prime Minister Benjamin Netanyahu having criticized Obama publicly over his policy on Iran and even seemed to lecture Obama while at a joint appearance in the Oval Office.