Answer:
United States shouldn't issue a no-fly-zone.
Step-by-step explanation:
No-fly-zones are zones established by the military to not allow or permit certain vehicle aircrafts in an area, it does this in hopes of protecting civilians from ariel attacks. If we issue a no-fly-zone in Ukraine, it will mean America coming into military contact with Russia, because the thing about no-fly-zones whoever is in the no-fly-zone, will get put to the ground using military means. If the United States does issue a no-fly-zone, it would mean we would have to start taking down Russian aircrafts, and Putin already made threats of using nuclear weapons on countries who try to help "assist" Ukraine in that way. America obviously doesn't want that so all we can do is provide millions of dollars in military aid for Ukraine to use to help defend themselves from Russia. So "no", United States shouldn't issue a no-fly-zone even if it means helping Ukraine.
Hope this helps.