The Handley Page 0/100, 0/400 and V/1500 were the first true heavy bombers of the Royal Flying Corps and Royal Air Force during the First World War, giving Britain the long-range striking power needed for strategic bombing deep into Germany The Handley Page 0/100, 0/400 and V/1500 were the first true heavy bombers of the Royal Flying Corps and Royal Air Force during the First World War, giving Britain the long-range striking power needed for strategic bombing deep into Germany.