https://chroniclingamerica.loc.gov/lccn/sn84026749/1918-06-11/ed-1/seq-1/

The U.S. is increasing its officer corps, and relying less on foreign officers for training. The U.S. officers have gained experience on the western front and are now more prepared to train.

Source: " U.S. Officers Will Replace Ally Tutors in Our Army," The Washington Times, Washington, District of Columbia, June 11, 1918. Page 1, Column 2.