The US military removed ​aircraft from ​a second airbase ​in Britain on Monday after reportedly receiving a threat ⁠from Iran. The withdrawal comes weeks after Washington removed ​its bombers from RAF Fairford airbase over a suspected Iran-linked security incident. Two US refuelling tankers using the RAF Mildenhall military base were diverted to Germany on Monday, while several other tankers at the base were moved to Germany and other locations later in the day, The Wall Street Journal reported.