Just in case you didn't see my old post: How old is Dr. Halsey in 2558? What monitors do we know of other than 343 guilty spark, 2401 penitent tangent, 049 abject testament, and 859 static carillon? Why are the structures seen in the halo 2 mission delta halo so different looking than other forerunner structures? What happened to the fist of rukt?