Persian Gulf War Veterans may have medical symptoms known as Gulf War Syndrome.
The semi-official Tasnim news agency published images of the Nimitz, saying they were taken by Iranian-made drones.
The Iranian navy boarded and briefly seized a Liberian-flagged oil tanker near the strategic Strait of Hormuz.
Tensions have soared since the U.S. airstrike earlier this month that killed Gen. Qassem Soleimani.
President Rouhani warned that the presence of foreign forces could cause problems for the world's "energy security."
Iran has begun using an array of 20 IR-6 centrifuges.
The U.S. Navy is trying to put together a new coalition of nations to counter what it sees as a maritime threat from Iran.
Members of the 11th Marine Expeditionary Unit were photographed this week with a Light Armored Vehicle on the flight deck.
Two Royal Navy warships are currently in the region, the frigate HMS Montrose and the destroyer HMS Duncan.
This marks Iran's third seizure of a commercial vessel in recent weeks.
Marines will be seeing more of the red patches after the service reactivated 2nd Landing Support Battalion.
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The Marine Corps is also adding a new podcast to the list, which will come out at least every two weeks.
Maj. Gen. Stephen Neary was relieved as head of Marine Corps Forces Europe and Africa by Commandant Gen. David Berger.
The Marine Corps has officially retired the AH-1W Super Cobra helicopter.