U.S. Defense Secretary Ash Carter meets with Saudi Deputy Crown Prince and Defense Minister Prince Mohammed bin Salman in Washington, D.C., Sept. 4, 2015.

Saudi Deputy Crown Prince Mohammed bin Salman bin Abdulaziz met with U.S. Secretary of Defense Ashton Carter in Washington on Friday.

During the meeting, the counterparts reviewed aspects of cooperation between the two countries, particularly in the defense fields, according to the Saudi Press Agency.

Prince Mohammed bin Salman also serves as Saudi Arabia’s Second Deputy Premier and Minister of Defense.

The meeting was attended by Saudi Deputy Chief of General Staff Lieutenant General Fayyadh Al-Rwaili.

In a U.S. statement summarizing the meeting, Pentagon Press Secretary Peter Cook said the leaders discussed mutual concerns in the region, including the ongoing crisis in Yemen and the importance of reaching a negotiated political settlement there.

Carter also participated in a meeting at the White House earlier today with Obama and King Salman bin Abdul Aziz, along with other members of the Saudi delegation, Cook added.