When evaluating whether to sell weapons to Saudi Arabia, the U.S. should think not only about the countries’ recent rocky relationship but also reflect on how long the nations have been allies, a U.S. State Department official said.

Cutting defense spending will not close the U.S. government’s spending deficit, and doing so would be a dangerous disservice to U.S. troops and the American people, Defense Secretary Jim Mattis said Dec. 1 here at the annual Reagan National Defense Forum.

The U.S. will reassess Turkey’s continued F-35 participation as one of eight partner nations should it buy Russia’s S-400 Triumph anti-aircraft missile system.