Ukraine’s home safety company has arrested an air power officer accused of spying for Russia by leaking the areas and flight schedules of Western-supplied fighter jets, officers reported on Wednesday.

The officer is accused of gathering information on the areas and schedules of Ukrainian jets — together with U.S.-made F-16s and French Mirage 2000s — and advising Russian forces on tips on how to bypass Ukrainian air defenses, the SBU stated within the Telegram submit.

The F-16 and Mirage 2000 fighters are considered as critical reinforcements for Ukraine’s air defenses as Russia ramps up its aerial assaults throughout the nation.

The suspect additionally allegedly shared private particulars of Ukrainian pilots, together with data on the weaponry and fight ways of the plane.

He was detained whereas making an attempt to gather extra intelligence and was charged with treason. If convicted he faces life imprisonment, in accordance with the assertion.

The arrest follows the detention earlier this month of two Chinese nationals suspected of spying on Ukraine’s Neptune missile program, a key a part of its home protection business.