Caption
Arleigh Burke–class guided-missile destroyer USS Chafee (DDG 90) sails in formation during the Rim of the Pacific (RIMPAC) exercise on July 28, 2022. (DVIDS)
Alexander Orwin
Post-Doctoral Fellow, Constitutional Government, Harvard University
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Caption
Map Of The Umayyad Caliphate Empire In 750 And The Islamic Empire In 1215. (Universal History Archive/UIG via Getty Images)
