Complex sentence: In 2010, he was appointed Secretary of State for Defence, a position from which he resigned on 14 October 2011 over allegations that he had given a friend access to the Ministry of Defence and allowed him to join official trips overseas.
Split into simpler sentences: In 2010, he was appointed Secretary of State for Defence. In 2011, he faced calls to resign over allegations that he had given a friend access to the Ministry of Defence and allowed him to join official trips overseas.