A top U.S. military official says there's been no final decision on whether or not all U.S. troops will leave Niger and Chad.
By Tara Copp, AP
A new risk worksheet introduced by Air Education and Training Command aims to get to the root of maintainer mishaps.
A search for carcinogens at Vandenberg Space Force Base, California, found low levels of contamination at two sites.
U.S. officials said that they will begin to withdraw troops from Niger but there is no timeline.
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