In this Friday, May 17, 2019, photo released by the U.S. Navy, Aviation Boatswain's Mate 2nd Class Nicholas Hawkins, from Houston, Texas, signals an MV-22 Osprey to land on the flight deck of the Nimitz-class aircraft carrier USS Abraham Lincoln in the Arabian Sea. Commercial airliners flying over the Persian Gulf risk being targeted by "miscalculation or misidentification" from the Iranian military amid heightened tensions between the Islamic Republic and the U.S., American diplomats warned Saturday, May 18, 2019, even as both Washington and Tehran say they don't seek war. (Mass Communication Specialist 3rd Class Amber Smalley/U.S. Navy via AP)