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In the 1949 the task of the fledgling People's Liberation Army Air Firce was the defence of Beijing, and this continuing role was symbolized on badges by jet planes above Tiananmen. Clouds were often included to emphasize the high-flying abilities of the aircraft; although on some badges the clouds have a rather ominous mushroom shape.
41mm 5.8g
39mm 6.8g
38mm 6.1g
31mm 3.5g
42mm 7.2g
36mm 4.9g
35mm 4.5g
The badge at left was presented to attendees of the Air Force's 2nd Study Chairman Mao's Works Activists Congress.