The latest on the Pentagon, State Department, Department of Homeland Security and national security.
US troops call in airstrike after they come under fire in Somalia
By Ryan Browne, CNN
Trump praises North Korea's Kim Jong Un for backing down on missile threat
5 crewmen missing after Army chopper crashes near Oahu
Would a public that doesn't approve of Trump follow him into war?
Federal prosecutors pursue information on Trump opponents
DOJ secures guilty plea in attempted hate crime attack on Florida synagogue
US, China military chiefs reach deal to reduce 'risk of miscalculation'
Tillerson dials back rhetoric after Trump's North Korea 'fire and fury' threats
US destroyer in South China Sea called 'provocation' by Beijing
FBI arrests man in Oklahoma bombing sting
How the US would detect and attempt to shoot down a North Korean missile
US troops attacked in Syria
Unarmed Russian Air Force jet overflies the Pentagon, Capitol, CIA
Why it could take months for the US to get ready for war with North Korea
The Russia investigation: Everything you need to know
Who's who in Trump-Russia saga
Meet CNN's security team
Spain attacks: Police hunt Barcelona driver, probe suspected bomb factory
American, Canadian, Italians named as victims in Barcelona attack
Finland stabbings being treated as terror attack, police say
Police identify suspect in Spain attacks
Spain attacks: Is Europe still a safe travel destination?
Source: Early assessment finds TATP at Barcelona attackers' bomb factory
Spain attacks could have been bigger, police say
Spanish terror attack victims came from all over the world
Charlottesville mayor: I changed my mind about Confederate monuments
Trump's chief strategist Steve Bannon fired
Sebastian Gorka's PhD adviser: "I would not call him an expert in terrorism"
Sources: Gorka could be next to go
Hill Democrats weigh strategies to link GOP to Trump's controversial 'both sides' comments
Finland attack: 2 killed in Turku stabbing spree
What you need to know about Steve Bannon
Deadly Barcelona attack is worst in a day of violence in Spain
Tillerson: 'Hate is not an American value'
Timeline of attacks in Spain
Ex-Homeland security adviser: Trump's Pershing tweet 'absurd'
Former deputy CIA director says Trump process is 'very disconcerting' on Iran nuke deal