外岛一般指金门地区和马祖地区。金门、马祖是台湾防御作战的“第一道防线”,战略地位十分重要,也正因如此,台湾对金、马地区的建设及如何在防御作战中发挥作用非常重视。一、扩大防御纵深的桥头堡台湾在将其军事战略由“攻防一体”调整为“防卫固守,有效吓阻”的守势战略后,进一步加强了对未来作战样式及战役战术的研究。认为,台湾岛四面环海,纵深短浅,回旋余地小,战场容量不大,地 Outer Islands generally refers to the Kinmen area and Matsu area. Kinmen and Matsu are the “first line of defense” for Taiwan’s defensive operations and their strategic status is very important. It is precisely for this reason that Taiwan attaches great importance to the construction of the region and how to play a role in defensive operations. I. Expanding the Bridge of Defense The Taiwan Strait has further strengthened its research on the future combat style and tactics of the tactics after its military strategy has been adjusted from “one-offensive and defensive” to one defensive strategy of “keeping defensive and deterring effectively”. It is considered that the island of Taiwan is surrounded by the sea, with its short and shallow depth, small room for maneuver, and small battlefield capacity.