The UK simulated an attack on its own air defenses based on the first night of Russia's invasion of Ukraine. It wasn't pretty.

Source: Business Insider

Russian missiles could threaten the UK, according to a simulation. Russian Defense Ministry Press Service photo via AP, FileThe UK ran a simulation of its air defenses as if Russia's invasion of Ukraine had been an attack on the UK. Air Commodore Blythe Crawford said the result "was not a pretty picture.