Gunners from the Armed Forces of Ukraine fire at Russian position with a 155 mm self-propelled howitzer 2C22 in the Kharkiv region on April 21, 2024. (Anatolii Stepanov/AFP via Getty Images)
Chinese sailors stand next to a submarine rescue ship Hongzehu from the PLA Navy as it is docked on April 23, 2024, in Qingdao, China.(Kevin Frayer via Getty Images)
Researchers with the Naval Postgraduate School and NASA employ a REMUS 100 UUV to create a detailed map of a shallow environment off the coast of Florida on September 13, 2013. (DVIDS
Gunners from the Armed Forces of Ukraine fire at Russian position with a 155 mm self-propelled howitzer 2C22 in the Kharkiv region on April 21, 2024. (Anatolii Stepanov/AFP via Getty Images)
Chinese sailors stand next to a submarine rescue ship Hongzehu from the PLA Navy as it is docked on April 23, 2024, in Qingdao, China.(Kevin Frayer via Getty Images)
The Skydio X10D drone flies during a counter-uncrewed aerial systems training exercise at Grafenwoehr Training Area in Bavaria, Germany, on February 13, 2025. (US Army photo)
Egyptian university students gather on November 26, 2013, in Alexandria, Egypt, to protest the anti-demonstration law, which bans protests without prior police approval. (Ibrahim Ramadan/Anadolu Agency/Getty Images)
The damage at the Abu Sifin church Giza, Egypt, on August 14, 2022, after more than forty people were killed when a fire ripped through a Coptic Christian church during Sunday mass. (Khaled Desouki/AFP via Getty Images)
A protest in Lagos, Nigeria, on May 22, 2018, after an attack in Benue state that killed at least 18, including two Roman Catholic priests. (Pius Utomi Ekpei/AFP via Getty Images)
Sudanese demonstrators perfom the Friday noon prayers in the southern area of Khartoum on July 1, 2022, a day after a mass demonstration joined by tens of thousands was met with the deadliest violence so far this year. (Photo by AFP via Getty Images)