[2][3] In 1941, at the outbreak of the Second World War, Broadbridge enlisted in the Royal Canadian Air Force and was sent to Vancouver to study radar, at the time a secret technology.
[3] As a radar officer, he served in England, Africa, Sicily, Naples, Corsica and Florence.
[3] After being demobilized, Broadbridge returned to Saskatoon and married fellow teacher, Mavis Davies, whom he had been courting before the war.
[2][3] Broadbridge was posted to Chicago, Washington, D.C., Cairo, and Berlin before being appointed concurrently as High Commissioner to Malawi and Zambia then later as Ambassador Extraordinary and Plenipotentiary to Mozambique.
[3] In his retirement, Broadbridge published two books: The Church of St. Peter, Cobourg, Ontario, 1867–1978, and a memoir, Early Days.