Pentagon continues its debate over how broadly to enforce a ban on transgender troops' service ordered by President Trump.
Defense Secretary Mattis's trip to Minot Air Force Base, while it reenforced the presence and strength of the US nuclear arsenal, was not intended to trigger a response from North Korea. But his visit still sent a clear message: An attack on the US is a mistake.
Russian President Vladimir Putin warned US officials not to send defensive weapons to Ukraine, something US Defense Secretary Jim Mattis has openly considered.
President Trump is expected to relax regulations on US-built drones to help the industry compete on a global scale. While US drones are the gold standard for quality and technology, strict sales regulations have severely limited their markets.
In an effort to eradicate terrorism and stabilize Afghanistan, the US and India are working out a deal to expand India's navy to shore up surveillance in the Indian Ocean, among other initiatives.
Khansa, an eight-month old critically endangered Bornean orangutan, shows off its two front teeth, at the Singapore Zoo on Jan. 11, in Singapore. The Singapore Zoo is active with its breeding programs as part of its wildlife preservation efforts. This is the Zoo's 46th successful orangutan birth.
President Trump has said that "all options are on the table" after a North Korean ballistic missile, designed to carry a nuclear payload, was fired over Japan and into the northern Pacific Ocean.
United States Secretary of Defense Jim Mattis says ISIS militants, routed from a stronghold in Iraq, are now caught between the Syria-Iraq border where converging forces will be able to target them.
United States Navy and Marine Corps divers on Tuesday work on recovery efforts inside sections of a US guided-missile destroyer that collided with a merchant vessel near Singapore. Monday's collision is the fourth major accident in the US Pacific fleet this year.
United States intelligence agencies have struggled to nail down an estimate for the rogue nation's nuclear arsenal. Military leaders are also concerned about how fast North Koreas's firepower could be mobilized.
Marine Corps Gen. Joseph Dunford urged a peaceful resolution with North Korea but also backed up the president's statement that the US is 'locked and loaded.'
President Trump is backing an Obama-era initiative which incentivizes private companies to innovate defense tech, but some members of Congress question the initiative’s efficacy.
President Trump may be tweeting about 'fire and fury,' but Secretary of State Rex Tillerson assures that a nuclear attack from North Korea remains unlikely.