During his time in this post, he oversaw training and exercises, and the testing and introduction of the OTR-23 Oka missile system. After a year as deputy commander, Dimidyuk was appointed commander of the Missile Troops and Artillery of the 29th Army, based in the Transbaikal Military District. He again concentrated on training and supply for his units, with the result that in the competitions of the Far Eastern-based missile brigades, the 29th Army's 103rd Rocket Brigade took first place. From 1982 until 1986 Dimidyuk served as chief of staff of the Missile Troops and Artillery of the Far Eastern Military District. During this period he also studied as an external student at the Military Academy of the General Staff of the Armed Forces, graduating in 1986. Following this he was appointed commander of the Missile Troops and Artillery in the Transbaikal Military District. Again, units under his command distinguished themselves in intra-service competitions. Promoted to major general of artillery on 3 February 1984, then to lieutenant general on 17 February 1988, Dimidyuk rose to be commander of the in October 1991, and then briefly of the Missile Troops and Artillery of the Ground Forces of the Commonwealth of Independent States, and finally of the Russian Missile Troops and Artillery following the dissolution of the Soviet Union in December that year. During this time he oversaw significant reform and restructuring of his branch, as the Russian armed forces were reconstituted along new lines. Dimidyuk retired from the armed forces in 1997 with the rank of colonel general, to which he had been promoted on 13 February 1992, and in 1998 he became Advisor to the General Director of Rosvooruzhenie, a state intermediary agency for exports and imports of defence-related and dual use products, technologies and services. He subsequently became Director for Special Assignments for the Rosvooruzhenie's successor organization Rosoboronexport. Dimidyuk had authored various scientific papers and publications on a number of questions related to artillery and rocketry, and since 1993 he had been a corresponding member of the . Dimidyuk died on 29 March 2020 at the age of 83. He was married, with two sons. Over his career he had heen awarded two Orders of the Red Star, and the Order "For Service to the Homeland in the Armed Forces of the USSR" Second and Third Classes.