The New York Times says it bought helmet camera video of the fatal battle that shows U.S. troops' deaths.
The U.S. is readying to release the potentially damning report on the Niger ambush.
The Twitter user who posted the images claimed to have received the images from a group affiliated with ISIS.
The Marines provided security, facilitated flights, and ensured effective communications for the Niger investigative team.
An Islamic State group offshoot is claiming it carried out the October attack in Niger that killed four U.S. soldiers.
The United States has stepped up its operations in Somalia in recent weeks, with frequent strikes against al-Shabab.
The strike against al-Shabab militants near the coastal city Kismayo also destroyed a vehicle.
Here are five news stories and events to start your week, from the editors at Military.com:
Army Sgt. La David T. Johnson died in a hail of gunfire, hit as many as 18 times as he took cover in thick brush.
The decision comes just weeks after Africa Command discounted reports civilians, including children, had been killed.