Previously, US airstrikes in Iraq and Syria that risked civilian deaths were permitted in limited cases.
Secretary of Defense Ashton Carter has been the most vocal, complaining recently that some allies are “not doing enough or doing nothing at all.”
Families hugged each other close, some carrying photographs or wearing t-shirts depicting lost loved ones, or bearing placards with the words ‘we will never forget.’
The all-night session, dubbed “vote-a-rama,” always puts senators in a bind on a number of votes, and Thursday’s session was no different.
Hagel’s resignation from the Pentagon will make him the third defense secretary to resign in the six years of the Obama administration.