Army Officer Accused of Trying to Spy for Russia Is Afghan War Veteran

A U.S. Army officer arrested in Britain on suspicion of trying to spy for Russia is a decorated veteran of the Afghanistan war who did human resources work for the service, according to two American officials familiar with the case. The suspect, Lt. Col.

Brandon Tyner, 41, was arrested this week. British officials are expected to charge him on Sunday or Monday, and after that, the U.S. Army will seek to charge him under the Uniform Code of Military Justice and transfer him to the United States, said the two officials, who spoke on condition of anonymity to discuss the ongoing inquiry. The authorities have not revealed exactly what actions prompted Colonel Tyner’s arrest.

He was based at the headquarters of NATO’s Allied Rapid Reaction Corps in Gloucestershire, about 100 miles west of London. The base is NATO’s largest in Britain and hosts troops from 20 allied nations responsible for rapid response to crises. In a statement announcing the arrest, the F.B.I.