U.S. senator expects U.S. to send more funds for Israel's 'Iron Dome' Reuters | Jun 01, 2021 04:57 PM EDT Senator Lindsey Graham (R-S.C.) speaks during a U.S. Senate Budget Committee hearing regarding wages at large corporations on Capitol Hill in Washington, U.S. (Photo : Stefani Reynolds/Pool via REUTERS) A senior U.S. senator said on Tuesday he expected Washington would quickly authorize as much as $1 billion for Israel to replenish its Iron Dome missile defense system after clashes in May with Hamas. "There will be a $1 billion request coming to the Pentagon this week from the (Israeli) defense minister to replenish the Iron Dome and a few other things, to upgrade the system," Senator Lindsey Graham told reporters in Jerusalem.