Forbes contributors publish independent expert analyses and insights. In another consequential U. S. military buildup in the Middle East, Washington is presently fortifying its regional bases by deploying advanced ground-based air defense systems.

The Islamic Republic appears to be gauging its nuclear capabilities decimated in the 12-day war with Israel in June, as satellite images have picked up activity at two key Iranian sites for the first time in months.

DUBAI, United Arab Emirates (AP) -- As tensions soar over Iran's bloody crackdown on nationwide protests, satellite images show activity at two Iranian nuclear sites bombed last year by Israel and the United States that may be a sign of Tehran trying to obscure efforts to salvage any materials remaining there.