Iraqi attacks, mostly against Iranian shipping, rose from 40 to 65 in the same period.
From their perspective, these steps increase the chances of an Iraqi attack.
It was not clear whether the naval moves were in response to the Iraqi attack.
The senior official said the Iraqi attack "means we are going to respond."
Coalition troops and supplies were moved to the gulf with little fear of Iraqi attack.
Until the Iraqi attack, theirs was a good life.
American officials said the Iraqi attack seemed to be inadvertent.
That is why the Iraqi attack was particularly confusing and upsetting.
It was the most devastating Iraqi attack of the war.
In addition to providing a hedge against an Iraqi attack, the ground and air forces would offer valuable training experience.