A US Army officer said military trainers had warned soldiers of the dangers of cellphone use. Ukraine has used Russian soldiers' cellular data to locate and target their positions. But they are also potentially lethal for the soldiers carrying them, a US Army officer has said. Maj. Gen. Curtis Taylor told Jack Detsch, a reporter at Foreign Policy, that Army trainers had been warning soldiers about the dangers of taking cellphones on operations. Russian sources claim 89 soldiers were killed in the strikes, while Ukraine put the number at around 400.

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Persons: —, Curtis Taylor, Jack Detsch, We've, Taylor, Fort Irwin, Dimitar Dilkoff, Enea, Lockheed Martin Organizations: US Army, Policy, Service, Foreign, Army, National Training Center, Fort, Getty, Russian Ministry of Defense, M142, Artillery Rocket Systems, Sky News, Lockheed Locations: Ukraine, Russian, Ukrainian, AFP, Russia, Makiivka, Leer