The most important naval choke points were first identified by John Fisher in his defense of continued British colonialism (important colonies in parentheses):[1]
- Hormuz Strait between Oman and Iran at the entrance to the Persian Gulf
- Strait of Malacca between Singapore and Indonesia
- Bab-el-Mandeb passage from the Arabian Sea to the Red Sea (Yemen and Socotra)
- Panama Canal and the Panama Pipeline connecting the Pacific and Atlantic Oceans (British Honduras)
- Suez Canal and the Sumed Pipeline connecting the Red Sea and Mediterranean Sea (Egypt)
- The Turkish Straits/Bosporus linking the Black Sea (and oil coming from the Caspian Sea region) to the Mediterranean (Greece)
- The Strait of Gibraltar (Gibraltar)
- Cape Horn (Chile)
- The Cape of Good Hope (South Africa)