Russia will need to sacrifice air defense at its own borders to help cover gaps in Ukraine, UK intel says

• Russia could be forced to sacrifice air defenses at its borders, UK intelligence said.
• Losses in Ukraine mean that key air defense weapons will likely need to be redeployed, it said.
• Russia's air defense systems have become a key target for Ukrainian missiles and drones.

Russia may need to sacrifice air defenses protecting its borders to help cover gaps in the front lines in Ukraine, the UK Ministry of Defence said in an intelligence update on Thursday.