How much firepower does Iran have left?
How much longer can both the US and Iran continue to trade blows, and who will cave first?
Assessment
The question of Iran's remaining firepower frames the current exchange of blows with the US as a test of endurance. Each side's capacity to sustain strikes will determine which falters first. The outcome hinges on whether Iran's arsenal is deep enough to outlast American pressure or if US strategy forces a concession.