In 1903, Ueshiba was called up for military service. He failed the initial physical examination, being shorter than the regulation . To overcome this, he stretched his spine by attaching heavy weights to his legs and suspending himself from tree branches; when he re-took the physical exam he had increased his height by the necessary half-inch to pass. He was assigned to the Osaka Fourth Division, 37th Regiment, and was promoted to corporal of the 61st Wakayama regiment by the following year; after serving on the front lines during the Russo-Japanese War he was promoted to sergeant. He was discharged in 1907, and again returned to his father's farm in Tanabe. Here he befriended the writer and philosopher Minakata Kumagusu, becoming involved with Minakata's opposition to the Meiji government's Shrine Consolidation Policy. He and his wife had their first child, a daughter named Matsuko, in 1911.