Blue Sukhoi Su-34 bombers dropping bombs.
Sukhoi Su-34 bombers during the International Army Games at the Ashuluk shooting range outside Astrakhan, Russia, in 2017.
  • Russia has increasingly relied on glide-bomb strikes to hammer Ukrainian front-line positions and cities.
  • A recent Ukrainian drone attack on a Russian airbase suggest Kyiv is going after the bombs. 
  • Britain's defense ministry said glide-bomb kits appeared to have been destroyed in the Saturday attack.

Ukraine's massive weekend drone attack on a Russian airbase deep behind enemy lines suggests Kyiv may be trying to curb the threat of Moscow's devastating glide bombs, according to new Western intelligence.