The World at War, Episode 4, Alone, May 1940 - May 1941
Narrator: Among the casualties of the raid on May 10th was the House of Commons. Exactly a year - a year of disappointment - the Commons had sustained Churchill in office, but the important battle had been won. Britain had survived. Now it was Russia's turn.
In office: while he was Prime Minister, in this case. An important job in Government.