General Anderson: hands pictures of the BM-13 katyshua can we do this?
Engineer: I think we can! What chassis?
Gen. Anderson: the M4 Sherman.
Engineer: you got it! But we gotta have lunch first.
Gen.anderson: smiles in American go ahead.

five hours of hamburgers, bacon, fries, and more burgers later
Engineer: well, it’s finished!
General Anderson: but I thought you had lunch?
Engineer: yep! We also worked on it during lunch! We call it the caliope!
Gen. Anderson: well, did you test it?
Engineer: everything’s already covered sir!
Gen. Anderson: good, send it out to Europe, those Germans should would “love” it!
Engineer: sir yes sir!

meanwhile in Germany
Hans: hands pictures over to general wulf
Gen. Wulf: what is this? A new Sherman?
Hans: ja!
Gen. Wulf: WE MUST COPY THIS TECHNOLOGY!!