An F/A-18C Hornet of Strike Fighter Squadron (VFA) 37, lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327F2

An F/A-18E Super Hornet of Strike Fighter Squadron (VFA) 31, is catapulted off the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327L8

An F/A-18F Super Hornet of Strike Fighter Squadron (VFA) 213, lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327GO

A flight deck crew watches the recovery of planes onboard the US aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327K1

An E-2 Hawkeye lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327N3

An F/A-18C Hornet of Strike Fighter Squadron (VFA) 37, lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327GA

Image used for illustrative purpose. An F/A-18E Super Hornet of Strike Fighter Squadron (VFA) 87, lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327IU

An F/A-18C Hornet of Strike Fighter Squadron (VFA) 37, lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327N8

An F/A-18E Super Hornet of Strike Fighter Squadron (VFA) 31, lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327GK

An F/A-18E Super Hornet of Strike Fighter Squadron (VFA) 31, is catapulted off the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327LC

A shooter is seen talking to media officer on board the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327IQ

An F/A-18F Super Hornet of Strike Fighter Squadron (VFA) 213, is catapulted off the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327LG

An F/A-18E Super Hornet of Strike Fighter Squadron (VFA) 31, is catapulted off the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327EZ

An F/A-18C Hornet of Strike Fighter Squadron (VFA) 37, lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327H7

An F/A-18F Super Hornet of Strike Fighter Squadron (VFA) 213, lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman in this photo taken on March 20, 2017. REUTERS/Hamad I Mohammed - RTX327JO

An E/A-18G Growler of Electronic Attack Squadron (VAQ) 131, lands on the flight deck of the U.S. aircraft carrier, USS George H. W. Bush in Gulf of Oman .