Arend Vander Veen enlisted in 8^th Michigan Infantry, Co. D, on September 11, 1861, at Holland, Michigan, for 3 years, age 21. He was mustered on September 23, 1861. He was hospital steward, July 23, 1862, and discharged to accept a promotion on June 8, 1863. He was commissioned Assistant Surgeon February 26, 1863, and mustered out at Delaney House, D. C. on July 30, 1865.