as of this post we have 822,274,873 Grunts left to kill That includes the 632,544,504 Grunt Specialists and the 6,322,958,400 Grunt Infantry. add those together you get a total of 6,955,502,904 total grunts killed between Halo 3 and Halo 3: ODST. It is comforting that we have killed more Grunts than our planet contains people. Yep we are awesome. This means out of 141 days we need to kill a minimum of 5831736.6879432624113475177304965 grunts per day or 5,831,737 GpD [Edited on 02.12.2010 4:04 AM PST]