User blog comment:Damac1214/Black Ops II Zombies Reveal Released/@comment-32237267-20120927094841/@comment-3402960-20120927135146

Exceptional eye Joseph Tan, just one thing. I zoomed in at the "Black Thing" behind the zombie and the nameplate appears to read RIP--RA to me. Not sure if that's how I perceive that, but if what I see is right, your theory about the tombstones is most likely correct.