Clark Kerr thanks Stalin for cooperating with Anglo-American experts that recently inspected rocket installations in Debica, Poland.
Note that the document refers to the city of Debice, Poland, which is in Northwestern Poland, near the German border. This city is not known to have or been near any rocket installations and it is therefore assumed by the processor that Debica was the correct city due to its proximity to Blizna and that it was called Debice in error.