Jobs, jobs, jobs. That's what you should be focusing on more than anything else. Mercer would be a horrible decision, and Howard would be pretty questionable.
As I understand it, you're a URM and a veteran? Sweet Christ, retake ASAP. With a decent LSAT score you will have some very solid options on the table. Don't sell yourself short, don't take the easy route. You can do a lot better than this. Go read the LSAT forum, get yourself some prep materials, and retake the LSAT.