U.S. Navy sailors operate onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A member of U.S. Navy looks on a military plane onboard the aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A Navy pilot operates onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A military plane lands onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A member of the U.S. Navy operates onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

Navy aviators operate onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

U.S. Navy sailors operate onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A Navy pilot operates onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A member of the U.S. Navy operates onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

Members of the U.S. Navy attend a press conference onboard the aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A military plane lands onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A general view of the aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

Members of U.S. Navy talk to each other on a military plane directs onboard the aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A military plane F/A-18 lands onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi TPX IMAGES OF THE DAY 

A general view of the aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A member of U.S. Navy operates onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A general view of the aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

A U.S. Navy sailor operates onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

Rear Admiral Curt Renshaw, commander of the Carrier Strike Group 8, speaks during a press conference onboard the aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi 

U.S. Navy sailors operate onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi TPX IMAGES OF THE DAY 

A member of U.S. Navy operates onboard aircraft carrier USS Harry S. Truman, in the Adriatic Sea, February 2, 2022. The Truman strike group is operating under NATO command and control along with several other NATO allies for coordinated maritime manoeuvres, anti-submarine warfare training and long-range training. REUTERS/Yara Nardi