The United States military might "struggle to win, or perhaps lose" a war with China or Russia, according to a congressionally-mandated report from the National Defense Strategy Commission. 
The United States is not equipped to combat Chinese or Russian hypersonic weapons that have the capacity to overwhelm American missile-defense systems, according to a senior Pentagon official. 
Sen. Tom Cotton (R., Ark.) criticized Google on Tuesday following news the technology giant would not compete for a major Pentagon contract. The defense spending bill passed by the House of Representatives Wednesday includes $1 million for the Pentagon to hire "gender advisors." 
Secretary of Defense James Mattis on Tuesday dismissed allegations in Bob Woodward’s book Fear: Trump in the White House, which he called "fiction." 
Republican senator Jeff Flake (Ariz.) is seeking to prevent the federal government from spending tax dollars on the development of robotic bartenders. 
The Department of Defense is beginning the long and difficult task of identifying the remains turned over to the United States from North Korea. 
Combined Joint Task Force Operation Inherent Resolve officials announced this week that coalition strikes have killed six Islamic State leaders in Iraq and Syria since April 24. 
A U.S. Air Force B-52 Stratofortress bomber turned from a strategic bomber into a search and rescue aircraft on June 25 off the coast of Guam. 
