"TigerSwan is one of several security firms under investigation for its work guarding the Dakota Access pipeline in North Dakota while potentially without a permit. Besides this recent work on the Standing Rock Sioux protests in North Dakota, this company has offices in Iraq and Afghanistan and is run by a special forces Army veteran."

"Native American protesters are preparing to take a 'last stand' against the Dakota Access pipeline after police raided their camps and arrested hundreds, paving the way for construction of the final stretch of the controversial oil project."

"For decades, the military and the VA have repeatedly turned to one man to guide decisions on whether Agent Orange harmed vets in Vietnam and elsewhere. His reliable answer: No."

"Ammon and Ryan Bundy have been found not guilty of conspiracy. Their five co-defendants Jeff Banta, Shawna Cox, David Fry, Kenneth Medenbach and Neil Wampler have all been found not guilty as well."

"As actor Mark Ruffalo arrived to support their cause, protesters camping in the path of the Dakota Access Pipeline braced Tuesday for action by a growing police and military force to the north after the pipeline company issued a foreboding statement saying trespassers will be prosecuted and 'removed from the land.'"

"To stake its claim in the strategic South China Sea, China is building airstrips, ports, and other facilities on disputed islands and reefs. Scientists say the activities are destroying key coral reef ecosystems and will heighten the risks of a fisheries collapse in the region."

"The United States expects Islamic State to use crude chemical weapons as it tries to repel an Iraqi-led offensive on the city of Mosul, U.S. officials say, although adding that the group's technical ability to develop such weapons is highly limited."

"President Obama signed a presidential memorandum Wednesday establishing that climate-change impacts must be factored into the development of all national security-related doctrine, policies and plans."

"The effects of climate change endanger U.S. military operations and could increase the danger of international conflict, according to three new documents endorsed by retired top U.S. military officers and former national security officials."

"North Korea defiantly celebrated its fifth nuclear test Friday, claiming that it can now make warheads small enough to fit onto a missile and warning its "enemies" — specifically the United States — that it has the ability to counter any attack."