When the XX Bomber Command arrived at Kalaikunda in late March 1944 , the conditions at the base were poor .
The runways were still in the process of being lengthened when the first B - 29s arrived .
When the XX Bomber Command arrived at Kalaikunda in late March 1944 , the conditions at the base were poor , and the runways were still in the process of being lengthened when the first B - 29s arrived .