S-300s do not, of course, guarantee Iran’s invincibility or
invulnerability. The U.S. Air Force and naval aviation can, if
necessary, break through even these defenses. At issue is the time
required and acceptable level of loss. Ultimately, the question may
prove to be the main argument in the hands of those opposed to a
military operation against Iran and remove an Iran-U.S. armed conflict
from the agenda for a long time.
