Establish the gun target line.
{"Image DocumentName": "Establish the gun target line.", "Image ImageDescription": "Plot the target. Establish the gun target line. Plot the firing point. August 2003.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}