Analysis of information sources in references of the Wikipedia article "미국의 이란 핵 시설 공습" in Korean language version.
Recently, the US has had a squadron of B-2 bombers at its base on the island of Diego Garcia. While the island is some 2,400 miles from Iran's southern coastline, their location on Diego Garcia would put them well within striking range of Iran.
UK Business secretary Jonathan Reynolds has said the British government was aware of the US' plans to launch airstrikes on Iran, but did not take part.