Luftflotte 4 attacked the city , turning much of it to rubble .
The Hungarian , Italian and Romanian armies were 60 km ( 37 mi ) from Stalingrad , which was in range of forward air bases .
Luftflotte 4 attacked the city , turning much of Stalingrad to rubble .
The Hungarian , Italian and Romanian armies were 60 km ( 37 mi ) from Stalingrad , which was in range of forward air bases .