Ukraine's air-defense problems are letting Russia launch HIMARS-style deep strikes behind the front lines

Russia has begun sending out an increased number of unmanned aerial vehicles beyond Ukraine's positions, gaining intelligence about the positions of critical weapons and sites that can then be targeted by guided tactical missiles. Russia's heightened UAV presence is "allowing their troops to accurately detect and destroy targets behind the front lines," senior research fellow Dr. Jack Watling of the London-based Royal United Services Institute wrote in an analysis on Tuesday.