In this handout photo provided by Russian Defense Ministry Press Service on Sept. 19, 2021, The Palantin-K EW systems are parked during a rehearsal in Voronezh region, Russia. (Russian Defense Ministry Press Service via AP)
KYIV, Ukraine (AP) — On Ukraine’s battlefields, the simple act of powering up a cellphone can beckon a rain of deathly skyfall. Artillery radar and remote controls for unmanned aerial vehicles may also invite fiery shrapnel showers.
