Ukraine has the military potential to return Crimea. This was stated by two American officials in a comment. nbc news.
Not everyone in Washington likes this idea, as it carries great risks. Some White House officials worry that Russia could use nuclear weapons in the event of a large-scale offensive and the threat of losing the peninsula.
It is noteworthy that the former coordinator of strategic communications of the US Security Council John Kirby stated that Washington recognizes the right of Kyiv to plan and conduct military operations on the territory of Crimea.
The peninsula became part of Russia in March 2014 following a referendum.