Washington, Rajab 11, 1436, Apr 30, 2015, SPA -- United States confirmed that the friendship between the Kingdom and the United States historical and permanent. The US State Department spokeswoman Marie Harf said in remarks during the department's daily briefing, "We will continue to maintain a close and a productive relationship in addition to working together to address the many serious challenges and our strategic friendship with the Kingdom is longstanding under multiple administrations, many different kings in the kingdom, and this will certainly continue with a close and fruitful relationship with Saudi leaders." She praised what Prince Saud Al-Faisal did during his work as foreign minister for 40 years. She said, "he was a skillful diplomat and had a wise opinion about regional issues." She explained that "US Secretary of State John Kerry and the rest of the team at the State Department respect the service rendered by Prince Saud al-Faisal at the Foreign Ministry in the kingdom and for 40 years, he worked closely with many American foreign ministers, including the minister Kerry and we remember him as a skilled diplomat and having an wise opinion about regional issues and he is a friend of the United States." --More 02:40 LOCAL TIME 23:40 GMT www.spa.gov.sa/w