houston, as they fire up the four engines on that big 747. some final observances today? >> it was on the honor for us to be here as well, john. i want to mention, some of the military. that included the 77th army band from fort sill, oklahoma. who played "hail to the chief." we heard a 21 gun salute here as as well, with members of the bush family. as he mentioned, among those walked onto this plane, after president george h.w. bush's casket was removed by the honor guard and then carried to the waiting air force one, which is now, of course, special air mission 41. the engines are up, they will begin taxiing shortly. and then take off, here, from arlington field. the reserve base here at the joint installation.