Ukrainian special operators are changing how they assault enemy trenches. Someone always has to 'watch the sky.'

Ukraine's elite troops keep a close watch on the sky as they clear trenches. Yevhen Titov/Global Images Ukraine via Getty Images Ukrainian special operators are training to keep a close watch on the sky when they clear trenches. The rise of drones on the battlefield has forced these elite troops to adopt new training methods. They have begun using drones more often in training, practicing how to engage and hide from them. Ukrainian special operators are learning to keep a close watch on the skies when they move in to assault Russian-held trenches, as the surge in drones on the battlefield forces soldiers to constantly change how they fight. "Our training has changed," an operator in the 4th Ranger Regiment of Ukraine's Special Operations Forces told Business Insider. "We've started using [uncrewed aerial vehicles] more, and we pay much more attention to countering drones."