That's why they took out the Stennis and the Kearsarge out of the small shallow pont, claiming however that the move was planned long in advance to help the Afgha war. So you can say they chickened out, but it was a prudent move : if they were to participate to an attack or defense of the strait, they need to be doing this from the Indian ocean, out of reach of the Iranian missiles and coastal batteries. America still knows how to fight a war and win.. if they have to, that is!
More than 100,000 asylum seekers entered Germany in August, official says (Reuters)
from the article: West plans to tap oil reserves if Iran blocks Strait of Hormuz