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.
Seven new recruits will head to basic military training at Lackland Air Force Base, Texas.
The study next heads into a peer review before its findings can be submitted for a scientific journal.
The long-delayed project will tell the story of the American soldier through treasured artifacts.
AAVs rarely sink and fatal mishaps are uncommon for the 26-ton tracked vehicles.
It has been 15 years to the day since Cashe hauled his teammates out of the Bradley hit an IED near Daliaya, Iraq.