I see the source of the question here.
The only consistent difference I can see between a regular QD Scarab and a Navy Scarab is that a Navy Scarab has channels milled into the exposed base of the blade that appear to be there for the sake of drainage.
This does appear to have a Navy Scarab's milling on the base of the blade. Not being an expert on Microtech products, I am not sure what the blade marking typically is for a Navy Scarab model, but the majority of the examples I have found through google image search are marked "QD Scarab NSWG". I am also unsure of when Microtech switched over to the new, smaller boxes, but, I thought it was after 2015?