Command and Staff
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Commanders
1918
August 16 Col. Henry D. Styer
September 3 Maj. Gen. William S. Graves
1919
July 11 Col. Frederic H. Sargent (Ad interim)
September 7 - April 1, 1920 Maj. Gen. William S. Graves
Chiefs of Staff
1918
September 8 Lt. Col. Oliver P. Robinson
September 11 Maj. Robert L. Eichelberger (Acting)
September 17 Lt. Col. Oliver P. Robinson
1919
March 30 Col. Oliver P. Robinson
September 24 No chief of staff or acting chief of staff
September 28 - March 3, 1920 Col. Joseph D. Leitch (Acting)
Assistant Chief of Staff
1918
September 3 Maj. Robert L. Eichelberger
1919
March 30 - April 1, 1920 Lt. Col. Robert L. Eichelberger
Intelligence Officers
1918
August 16 Maj. David P. Barrows
October 26 Lt. Col. David P. Barrows
December 8 Maj. Robert L. Eichelberger (Acting)
1919
January 3 Lt. Col. David P. Barrows
March 10 Maj. Robert L. Eichelberger
March 30 - April 1, 1920 Lt. Col. David P. Barrows
Adjutants General
1918
August 16 Col. Edwin Landin
September 15 Capt. Thomas W. King (Acting)
November 8 Maj. Thomas W. King
1919
March 30 - April 1, 1920 Lt. Col. Thomas W. King
Inspectors General
1918
August 16 Lt. Col. Willis V. Morris (Acting)
November 11 Col. Willis V. Morris (Acting)
1919
June 5 - March 3, 1920 Col. Joseph D. Leitch (Acting)
Chief Quartermasters
1918
August 16 Maj. Richard Allen
August 25 No Chief QM or Acting Chief QM
September 3 Lt. Col. Gideon H. Williams (Acting)
September 29 Col. Hugh J. Gallagher
1919
October 8 - April 1, 1920 Col. William S. Scott
Chief Surgeons
1918
August 16 Col. James S. Wilson
1919
June 5 - April 1, 1920 Col. William F. Lewis
Chief Engineer Officers
1918
August 16 Capt. Earle W. Jennings
1919
March 30 Maj. Earle W. Jennings
October 8 Capt. Harold Van V. Fay
1920
March 1 - 30 2nd Lt. Robert H. Soule (Acting)
Judge Advocates
1918
September 3 Maj. Albert J. Galen
1919
March 30 Lt. Col. Albert J. Galen
June 5 Maj. George R. McLean
October 8 - April 1, 1920 Lt. Col. Philip R. Faymonville (Acting)
Chief Ordinance Officers
1918
September 3 Capt. James A. Lynch
September 29 Maj. Philip R. Faymonville
December 1 - April 1, 1920 Lt. Col. Philip R. Faymonville
Chief Signal Officers
1918
September 18 1st Lt. Jones H. Kirk
1919
March 7 Capt. Charles Barrett
September 8 - March 30, 1920 Capt. William McC. Chapman
Commanding Officers 27th Infantry
1918
August 16 Col. Henry D. Styer
August 25 Lt. Col. Charles H. Morrow (Ad interim)
September 7 Col. Henry D. Styer
1919
April 11 Col. Charles H. Morrow
1920
March 4 - March 10 Col. Joseph D. Leitch
Commanding Officers 31st Infantry
1918
August 22 Col. Frederic H. Sargent
1919
October 8 - March 30, 1920 Col. Fred W. Bugbee
