Before entering active duty, Homer Litzenberg spent two years in the Pennsylvania National Guard. He began his Marine Corps career as an enlisted Marine, graduating from the Marine Corps Recruit Depot Parris Island in 1922 as a private. After a tour of duty in Haiti, he was commissioned a Second Lieutenant in 1925. He served in expeditionary duty in Nicaragua in 1928 and 1929. He graduated from (Army) Infantry School at Fort Benning, Georgia in 1933, and subsequently served for two years as Advisor-Instructor of a Marine Reserve battalion in Philadelphia. During WWII he participated in the amphibious assault on Casablanca, French Morocco in November 1942. He later served as regimental executive officer during the assault on Roi-Namur, Kwajalein Atoll, Marshall Islands, where he earned his first Silver Star. In March 1944, he joined the Fifth Amphibious Corps as Assistant Operations Officer, and participated in the Battle of Saipan and Battle of Tinian. He retired as a Lieutenant General in 1959. He died on June 27, 1963.