The available Russian reserves, numbering 60,000 personnel, are likely insufficient to support simultaneous large-scale offensive efforts on multiple fronts. The Russian military command will probably have to choose one main action during the anticipated summer offensive, states the Institute for the Study of War (ISW). The Institute, citing Ukrainian military observer Kostiantyn Mashovets, notes that over the past 6-8 months, the occupiers have accumulated a maximum of 60,000 personnel in operational and strategic reserves. ISW suggests that these reserves are neither properly trained nor equ…