On November 11, 2019, a Lockheed P-3F Orion belonging to the Islamic Republic of Iran Air Force flew low, making a close pass above the U.S. Military Sealift Command dry-cargo vessel USNS Alan Shepard. The appearance of the P-3 underscores that Iran loves American-made aircraft.The Lockheed P-3 Orion is a four-engined, turboprop anti-submarine and maritime surveillance aircraft developed for the United States Navy and introduced in the 1960s.