have a 575 mile range and a 1,000 lb warhead delivered with pinpoint accuracy...plus, they are built with 'stealth' technology...makes air defenses, bridges and troop gatherings hard to protect...more than a bit 'unsettling' for Vlad I suspect...especially since the missiles could be launched from the middle of Ukraine, or even Kiev itself if the target were Sebastopol or the bridges connecting Crimea.
Link: https://en.wikipedia.org/wiki/AGM-158_JASSM