 Complete the following phrase:  A number of British military operations relied heavily on the strategic island of Diego Garcia in the Chagos Islands. It was used for major operations during the War on Terror, Operation Granby 1991, Operation Herrick 20012014, Operation Telic 20032011, Operation Shader 2014present, Operation Desert Storm 1991, Operation Desert Fox 1998, Operation Enduring Freedom 200114, 