Romanian military doctors and medical students sit on a bus behind steamy windows before the National Day parade in Bucharest, Romania, Thursday, December 1, 2016. Military planes and helicopters flew over the Romanian capital Thursday as thousands turned out to celebrate the national day, marking the date when the country reunified with Transylvania in 1918. (Photo by Vadim Ghirda/AP Photo)

United States Marine Corps Staff Sgt. Jason Itro yells at recruit Nancy Carbins January 15, 2003 after she grabbed another recruit in the pool in an attempt to stay afloat during swim training at the Combat Pool on Parris Island, SC. Under the watchful eyes of swim instructors, recruits are required to swim in full gear and learn limited strokes and breathing to stay afloat. Carbins broke a major rule by grabbing another recruit and submerging them both. (Photo by Stephen Morton/Getty Images)

Admiral Flota Sovetskovo Soyuza Kuznetsov (Russian: Адмирал флота Советского Союза Кузнецов “Fleet Admiral of the Soviet Union Kuznetsov”), originally named Riga, renamed Leonid Brezhnev then Tbilisi) is an aircraft cruiser (heavy aircraft carrying missile cruiser (TAVKR) in Russian classification) serving as the flagship of the Russian Navy. She was originally commissioned in the Soviet Navy, and was intended to be the lead ship of her class, but the only other ship of her class, Varyag, was never commissioned and was sold to the People's Republic of China by Ukraine under the condition she would never be refitted for combat. Kuznetsov was named after the Admiral of the Fleet of the Soviet Union Nikolai Gerasimovich Kuznetsov.

Revellers head out in Leeds city centre, which has one of the country's highest infection rates on October 11, 2020. Cities in northern England and other areas suffering a surge in Covid-19 cases may have pubs and restaurants temporarily closed to combat the spread of the virus. (Photo by NB PRESS LTD/The Sun)

Revellers dressed in mock military garb take part in the “Els Enfarinats” battle in the southeastern Spanish town of Ibi on December 28, 2017. During this 200-year-old traditional festival participants known as Els Enfarinats (those covered in flour) dress in military clothes and stage a mock coup d'etat as they battle using flour, eggs and firecrackers outside the town hall as part of the celebrations of the Day of the Innocents. (Photo by Jaime Reina/AFP Photo)

A woman aims a World War II machine gun at a military show during celebration of the Defenders of the Fatherland Day in St.Petersburg, Russia, Tuesday, February 23, 2016. The day, celebrated in Russia on February 23, honors the nation's military and is a nationwide holiday. (Photo by Dmitri Lovetsky/AP Photo)

Members of the Honour Guard and the central military band of the Mongolian armed forces perform during the International Military Music Festival “Spasskaya Tower” media preview in Red Square in Moscow, Russia, August 26, 2016. (Photo by Sergei Karpukhin/Reuters)

Womentake a selfie in front Russian military vehicles during a rehearsal for the WWII Victory Parade in Moscow on June 17, 2020. Russia's President Putin on June 24 will preside over a massive military parade to mark Soviet victory in World War II, which was postponed due to the coronavirus pandemic. (Photo by Dimitar Dilkoff/AFP Photo)