The latest on the Pentagon, State Department, Department of Homeland Security and national security.
Trump: I did not make recordings of Comey
By Dan Merica and Jeff Zeleny, CNN
Spokeswoman: Trump thinks election hacking 'probably was Russia'
Russian fighter jet flies five feet from US spy plane
DHS officials: 21 states potentially targeted
House Russia probe digs into voter roll hacks with former DHS secretary
Mueller meets with House Russia investigators
Senate intel digs for more Flynn documents
US spy satellites detect activity at North Korean nuclear test site
Six months in, Kelly's military background still influences DHS secretary
FBI director nominee removed reference to case involving Russian government from bio
Russia probe causes tension among top officials at Justice Department
Senator: US at risk of military conflict with Russia and Iran in Syria
Russia cancels talks with US over tightening of sanctions
Trump delegates troop decisions, to praise and concern
First on CNN: House Russia investigators want to bring in Trump digital director
The many paths from Trump to Russia
Meet CNN's security team
Trump tweets 'We will BUILD THE WALL!'
Intel chiefs tell investigators Trump suggested they refute collusion with Russians
Congress proposes defense budget $37 billion higher than Trump's
US Marines suspend F-35 flights at Yuma Air Station
Suspect in Flint airport stabbing attempted gun purchase, official says
Terrorist Attacks by Vehicle Fast Facts
2016 Presidential Campaign Hacking Fast Facts
Ex-DHS chief testifies on Russia meddling
US, Iraq say ISIS blew up famous Mosul mosque
Trump: 'Solar wall' could 'pay for itself'
Car bomb kills 30 people outside Afghanistan bank
FBI investigating officer's stabbing at Flint airport as terrorism
NATO jet intercepts Russian minister's plane
Finsbury Park terror attack victim dies from 'multiple injuries'
Sources: Trump suggested rebutting collusion
Russian hacking hearings: 6 takeaways
Cumulative extremism: Why terror is like a 'perverted comic book'
Trump: Mexico border wall may be solar wall
Michigan stabbing suspect in police custody