John P. Lucas - Inter-War Period

Inter-War Period

From 1919-1920, Lucas was assigned as a military science instructor for the University of Michigan R.O.T.C. program in Ann Arbor, Michigan. In 1920, he branch-transferred to the Field Artillery. He was promoted to Major in 1920, and in that year also entered the Field Artillery School at Fort Sill, Oklahoma (1920–1921). He graduated from the Field Artillery Advanced Course in 1921 and became an instructor at the Field Artillery School (1921–1923). He then entered the one-year program at the U.S. Army Command and General Staff College, Fort Leavenworth, Kansas, graduating in 1924 and finishing 78th out of 247 in his class. He next became the Professor of Military Science and Tactics for the R.O.T.C. program at Colorado Agricultural College (now Colorado State University), Fort Collins, Colorado. He served in this position for approximately 5 years (1924–1929), earning an MS degree in 1927. He was selected for command of 1st Battalion, 82d Field Artillery Regiment at Fort Bliss, Texas, from 1929-1930/31. He then enrolled in the Army War College, Carlisle, Pennsylvania, in June 1931, and graduated in June 1932. From 1932 to 1936, Lucas worked in the Personnel Division, G1, of the War Department General Staff. From July to October, 1940, he served as commander, 1st Field Artillery Regiment, Fort Sill, Oklahoma. He then served as commander of the Artillery Brigade of the 2nd Infantry Division at Fort Sam Houston, Texas, until July 1941, when he was notified that he would be given command of the 3rd Infantry Division.