I believe this to be self explanatory, a pictorial of a box being built!  Click on any picture to see a close-up of the work.

Pieces cut out	Dowel drilling	Triangle glued up
Frame glued up	The Base	Stain and 2 coats of Polyurethane
Triangle glued to the base	Insert the glass	Attach the base to the frame
Insert the folded flag	Screw on the back	Completed box (without badges or medals mounted!)