Too old for active service, in August 1940 he was commissioned as a pilot officer in the Royal Air Force (RAF) Volunteer Reserve.

He served at the Air Ministry until 1943,[1] when he was promoted to the rank of flight lieutenant and transferred to southeast Asia to join Lord Mountbatten's staff.

He strongly opposed Britain's entry into the European Communities and voted against party orders in favour of a referendum on the issue.

[2] Bullus was knighted in December 1964 as part of Alec Douglas-Home's dissolution honours list, for "political and public services".

At home, he was a lay reader, preaching nearly one thousand sermons during his life,[2] and while serving in Delhi during World War II he was a member of the arch-deaconry council.