[2] After the Chinese Civil War, the ROC staged attacks on the local PRC coast from the Dachen Islands.

[2] The ROC regarded defending the Yijiangshans as impractical but valuable for psychological warfare and maintaining American support.

Improving interservice coordination was a major feature of planning and exercises; this was aided by Soviet advisors.

PLA aircraft attacked ROC artillery and communication positions in the Yijiangshans and Dachens from 0800 to 1300 hours.

The ROC evacuated the Dachens in February 1955 under the cover of the United States Navy and Air Force in Operation King Kong.