Yang Chengwu

As deputy chief in early 1964, Yang commissioned a report which evaluated how prepared the national economy was for a sudden attack by foreign foes.

[2]: 54  This evaluation prompted Mao to advocate for the creation of a heavy industrial zone as a safe haven for retreat in the event of foreign invasion during State Planning Meetings, consistent with his view of the necessity for building constructing the Third Front.

[2]: 4 In March 1968, Lin Biao and the rest of the Gang of Four accused Yang, Yu Lijian (second secretary of the Party Committee of the Air Force), and Fu Chongbi (commander of the Beijing garrison) of "overturning the case of the February Countercurrent.

[3]: 76  In March 1979, the Central Committee issued a Notice of Open Rehabilitation and repudiated the allegations made by the Gang of Four during the "Yang, Yu, Fu Incident.

"[3]: 76  The Central Committee resolved that the accusations were slanderous, officially restored the reputations of those targeted in the incident, and paid compensation for those who were injured or killed as a result.