War & Conflict 10 Downing Street garden, London, England 7th May 1945. Chiefs of Staff at Downing Street. Back Row, L-R; Major General Hollis, General Sir Hastings Ismay, Front Row, L-R; Sir Charles Portal, Marshal of the RAF, Field Marshal Sir Alan Broo

War & Conflict, 10 Downing Street garden, London, England 7th May 1945, Chiefs of Staff at Downing Street, Back Row, L-R; Major General Hollis, General Sir Hastings Ismay (1887-1965), Front Row, L-R; Sir Charles Portal, Marshal of the RAF, Field Marshal Sir Alan Brooke, Prime Minister Winston Churchill, Admiral of the Fleet, Sir Andrew Cunningham (Photo by Paul Popper/Popperfoto via Getty Images/Getty Images)