In March, 1999 Rees was appointed as vice chief of the National Guard Bureau for the second time, and he served until August, 2002.Bob Haskell, On Guard, Rees Returns as Bureau Vice, February, 1999 From August, 2002 to April, 2003 he was again acting chief of the National Guard Bureau. From April to May 2003 he completed his assignment as the NGB vice chief.
