A U.S. Air Force B-52H Stratofortress bomber aircraft assigned to the 20th Expeditionary Bomb Squadron refuels during its first mission in the area from a KC-135 Stratotanker at an undisclosed location in Southwest Asia, May 12, 2019. Picture taken May 12, 2019. U.S. Air Force/Senior Airman Keifer Bowes/Handout via REUTERS.

The deck of the Nimitz-class aircraft carrier USS Abraham Lincoln is pictured as it transits the Suez Canal in Egypt, May 9, 2019. Picture taken May 9, 2019. Amber Smalley/U.S. Navy/Handout via REUTERS

The fast combat support ship USNS Arctic pulls alongside the Nimitz-class aircraft carrier USS Abraham Lincoln to conduct a replenishment-at-sea in the Mediterranean Sea, May 8, 2019. Picture taken May 8, 2019. Michael Singley/U.S. Navy/Handout via REUTERS

An F/A-18E Super Hornet launches from the flight deck of the Nimitz-class aircraft carrier USS Abraham Lincoln in the Red Sea, May 10, 2019. Picture taken on May 10, 2019. Courtesy Dan Snow/U.S. Navy/Handout via REUTERS

U.S. aircraft carrier the USS Abraham Lincoln is pictured while it travels through the Suez Canal in Egypt May 9, 2019 in this picture obtained from social media. Bud Kinsey/via REUTERS Image used for illustrative purpose

The Nimitz-class aircraft carrier USS Abraham Lincoln approaches the Mubarak Peace Bridge as it transits the Suez Canal in Egypt, May 9, 2019. Picture taken May 9, 2019. Dan Snow/U.S. Navy/Handout via REUTERS

An Airman piloting a U.S. Air Force F-35A Lightning II receives fuel from a KC-135 Stratotanker at an undisclosed location in Southwest Asia, May 12, 2019. Picture taken May 12, 2019. U.S. Air Force/Senior Airman Keifer Bowes/Handout via REUTERS.

U.S. aircraft carrier the USS Abraham Lincoln is pictured while it travels through the Suez Canal in Egypt May 9, 2019 in this picture obtained from social media. Bud Kinsey/via REUTERS