[2][3] The following year, in 1899, Martin was promoted to major and was transferred to the 20th Kansas Volunteer Infantry, serving in the Philippines during the Philippine–American War.

[2] During his time as the Bourbon County clerk, Martin was admitted to the Kansas bar and practiced in Fort Scott, Topeka and Wichita.

[5] In May 1918, Martin served as an observer with the British army while the 35th Division was assigned to their reserve lines during the Spring Offensive of 1918.

[2][1] During this time, Martin continued to practice law and was admitted to the U.S. Supreme Court bar in 1923.

[1] Prior to his retirement, Martin worked as the manager of the Veterans Administration facility in Wadsworth, Leavenworth County, Kansas, from 1927.