KYIV, Ukraine (AP) — At a secret location in rural Ukraine, columns of attack drones are assembled at night and in near silence to strike deep inside Russia.Their targets are strategic: oil refineries, fuel depots, and military logistics hubs. Since the summer, Ukraine’s long-range drone campaign has ramped up dramatically, pounding energy infrastructure across Russia and stretching Moscow’s air defenses thin.Built from parts made in a scattered network of workshops, these drones now fly much further than at any point in the war.Officers in body armor move with quick precision; headlamps glow red to stay hidden. Engines sputter like old...