Complex sentence: Bases tend to be located in areas of strategic or diplomatic importance, often acting as staging areas for the build up or resupply of military forces, as was seen during the 1982 Falklands War and the use of RAF Ascension Island.
Split into simpler sentences: Bases tend to be located in areas of strategic or diplomatic importance. Often they act as staging areas for the buildup or resupply of military forces, as was seen during the 1982 Falklands War and the use of RAF Ascension Island.