While the Pentagon opposes the measure, the military has conducted operations in space for 50 years.
The investigation finds the troops weren't fully prepared, the mission changed and higher-level commanders weren't properly informed. The soldiers died in an ambush by militants linked to ISIS.
The U.S. military has some 20 missions across the continent. Most are for training African armies not combat. But there are risks as U.S. troops venture into the field.
The military has completed an investigation into the ambush that killed four U.S. soldiers last October. The report has not been released, but the military is briefing families of those killed.
The U.S. relies on a threat-focused approach, when the international community should also support economic and governance development in the region, argues the ex-special forces commander for Africa.
The Navy assigned its 3rd and 7th fleets in the Western Pacific, as the United States shifts its focus to flashpoints in Asia.
Sgt. Nick Cunningham, a bobsledder, is one of seven U.S. service members competing in Pyeongchang. "They told me, 'Go win medals for this country,'" he says. "And that's my job at this moment."
Up to 2,000 U.S. troops are in Syria defending Kurdish allies. The threats come from regime forces, Iran, Turkey and even Russia.
Sgt. 1st Class A.G. Shaw has been a military mortician throughout America's long wars. Now he says it's time for him to move on. "It's not like the movies. We don't die pretty," he says.