This is a low resolution picture of the test target.

This AutoCAD drawing was created with the correct dimensions according to the standard. It can be printed either at a 1 to 1 scale or it can be scaled as required. Many other CAD programs can read AutoCAD drawing files so try it on your available system. You can select a positive or negative version while printing

It is based on the old MIL-STD-150A "Military Standard: Photographic Lenses". Revison "A" was issued 8-Jun-1961.

The files can be downloaded here in both .DWG and .DXF format.

FTP site: Vinland.com User: Public PW: Public

Download USAF-1951.dwg

Here is a very good link to resolution testing:
http://medfmt.8k.com/mf/resolution.html