Saudi Arabia has displayed drone and missile debris that it said showed a weekend attack targeting the kingdom’s crucial oil industry was “unquestionably sponsored by Iran.”

President Donald Trump said Wednesday the U.S. has “many options” in addition to military strikes to respond to Iran’s missile and drone attacks that knocked out half of Saudi Arabia’s oil production last weekend.

Amid a resurgent Russia and violent extremism growing in parts of Asia, Africa, and the Middle East, NATO must ensure that every decision it makes now and in the future is strategy-driven, U.S. General Joseph Dunford, the chairman of the Joint Chiefs of Staff, has said.