 Tripler's military career was not considered remarkable while he was still living.In 1858, Tripler wrote the "Manual of the Medical Officer of the Army of the United States" which outlined basic physical requirements for army recruits and was immediately accepted by the Army almost as a policy.In 1861, Tripler wrote "Handbook for the Military Surgeon" which standardized many of the Army's medical practices to include administration, hygiene, and surgery.