President Volodymyr Zelensky’s choice Tuesday to switch Ukraine’s commander-in-chief, 60-year-old Oleksandr Syrskyi with 43-year-old Mykhailo Drapatyi, comes within the wake of widespread protests after Zelensky fired his 35-year-old protection minister Mykhailo Fedorov. NCS’s Nick Paton Walsh lays out how even with the shakeups – bringing in a youthful normal from a more recent era of navy leaders to switch a Soviet-era one – the identical massive challenges stay.