History Encyclopedias 4 Naval art and science 3 Warships 3 20th century 2 21st century 2 Corvettes (Warship) 2 Destroyers (Warship 2 Frigates 2 Malayan Emergency, 1948-1960 2 Naval history, Modern 2 Sea-power 2 Aerial operations, British 1 Aerial reconnaissance 1 Airmail service 1 Airmail service, United State 1 Airplanes 1 Airplanes, Military 1 Armored vehicles, Military 1 Ballons 1 Biography 1 Counterinsurgency 1 Diaries 1 Egypt 1 Electronic intelligence 1 Entrepreneurship 1 Generals, United States 1 Great Britain. Royal Air Force. Bomber Command 1 Intervention, 1956 1 Iran 1