Complex sentence: In the years following the Crimean War three corps can be identified as the direct predecessors of the RAOC was the Military Store Department (MSD) created in 1861 that granted military commissions.
Split into simpler sentences: In the years following the Crimean War three corps can be identified as the direct predecessors of the RAOC. The Military Store Department (MSD) created in 1861 that granted military commissions.