sentences:  In April 2017, U.S. President Donald J. Trump attempted to repair the United States' relationship with Saudi Arabia by having the US Defense Secretary visit Saudi Arabia.Trump has stated that he aims to help and assist Saudi Arabia in terms of military protection in order to receive beneficial economic compensation for the United States in return.On December 6, 2019, an aviation student from Saudi Arabia Mohammed Saeed Alshamrani shot three people dead and injured eight others at US Naval Air Station Pensacola in Florida.