Air Force Museum
Runways By Hand: China's Support of the Air War
Chinese laborers built and repaired airfields by hand, providing the physical foundation for Allied air operations from China. Runways required grading, drainage, compacted surfaces, and constant repair. In China, large workforces often relied on stone rollers, baskets, hand tools, and coordinated human effort rather than abundant heavy machinery.

In depth
The story behind the display
Their labor supported fighters, bombers, reconnaissance aircraft, and transports while airfields remained vulnerable to weather and Japanese attack. The story makes visible the infrastructure and civilian work hidden behind accounts centered on aircraft and pilots.
History & service
During World War II, the United States and China forged a strong friendship based on the mutual need to defeat Japan. A key Chinese contribution involved thousands of workers using stone rollers to construct hundreds of airfields by hand throughout China to support Allied air operations.
Runways measured up to 7,000 feet long, 150 feet wide, and five feet thick. Heavy equipment and fuel were not available for airfield construction as Japan isolated China from land and sea supply routes.
The hand-carved stone roller on display weighs about 10,000 lbs. Hundreds of workers pulled rollers like this back and forth to compress earth and rock. Laborers used this roller to build and maintain the central Cheng Gong airfield in Kunming. Their hard work smoothed the runways for fighters, bombers, and transports flying the "Hump" over the Himalayas from India to China.
Airfields built by the Chinese people proved critical in the success of the US air campaign against Japan. This simple stone roller symbolizes Chinese determination, toil, and sacrifice in resisting Japanese aggression.
Details that tell the story
Airfields required continuous construction and repair · Much work was performed with hand tools and rollers · Chinese labor supported American and Chinese flying units · Runways connected local communities to a global air campaign
Aircraft change the battlefield
In the First World War, aircraft became valuable because they could see beyond the front line. Reconnaissance and artillery observation affected decisions on the ground. Once that information mattered, opposing forces had reason to attack the aircraft gathering it. Fighters, defensive armament, and increasingly specialized missions developed around this contest over observation and freedom of movement.
The aircraft were fragile by later standards, but their crews worked inside a rapidly expanding military system. Training, maintenance, replacement aircraft, photography, communications, and weather reporting supported each sortie. Improvements in engines and armament changed tactics, while the pressures of combat exposed weaknesses that might have taken much longer to discover in peacetime.
Personal stories should be read alongside those systems. A uniform or a named aircraft connects the war to an individual, but the individual depended on many others and operated under constraints that skill could not eliminate. Aircraft from opposing sides show how designers answered similar problems in different ways. The later military collections in Dayton and at Udvar-Hazy reveal what endured: the need to gather information, protect friendly forces, move people and supplies, and coordinate action across distance. The scale changed enormously; the relationship between an aircraft's design and the job it had to perform remained fundamental.

