Defense Strategy

The Kerch Bridge connecting Russia to occupied Crimea is seen on October 13, 2022. (Stringer via Getty Images)

In this pool photograph distributed by the Russian state agency Sputnik, President Vladimir Putin meets with Moscow-installed head of the Donetsk region in Russian-controlled Ukraine, Denis Pushilin (not pictured), at the Kremlin in Moscow on August 4, 2025. (Mikhail Metzel via Getty Images)

Leaders of nine nations applaud the signing of the Dayton Peace Accords at the Elysee Palace in Paris on December 14, 1995. (Peter Turnley via Getty Images)

The Ohio-class ballistic-missile submarine USS Kentucky maneuvers during a routine armed air escort exercise on April 24, 2025. (US Navy photo)

A formation of Dongfeng-41 nuclear missiles takes part in a military parade celebrating the seventieth anniversary of the founding of the People’s Republic of China in Beijing on October 1, 2019. (Xia Yifang via Getty Images)

(School of War)

London during the Battle of Britain on September 7, 1940. (Keystone via Getty Images)

(School of War)

Ukrainian soldier prepares a Bohdana artillery near Toretsk, Ukraine, on July 20, 2025. (Diego Herrera Carcedo via Getty Images)

(School of War)

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A woman walks past a concrete shelter painted in the style of Ukrainian embroidered ornamentation on May 17, 2025, in Kherson, Ukraine. According to the city military administration, there are over 800 shelters of various types in Kherson. (Ivan Antypenko via Getty Images)