China Stringer Network / ReutersNational SecurityChina, other countries now top U.S. intel's global threat list, not terrorist groups
Walid Berrazeg / SOPA Images/LightRocket via Getty ImagesWorldBombers, boats, dredgers: China's relentless pressure is wearing down regional competitors
Brendan Smialowski / AFP - Getty Images fileMilitaryPentagon orders new steps to tackle extremism in the ranks
Wakil Kohsar / AFP via Getty Images fileNational SecurityFrustrated military officials want Biden to make a decision on Afghanistan
Susannah George / AP fileNational SecurityU.S., Iraq agree on eventual withdrawal of U.S. combat troops
Carolyn Kaster / AP FileNational SecurityFBI enlisted Proud Boys leader to inform on antifa, lawyer says
Greg Nash / Pool via Reuters fileNational SecuritySolarWinds hack got emails of DHS head and other top officials
Greg Baker / AFP via Getty Images fileNational SecurityChina's growing firepower casts doubt on whether U.S. could defend Taiwan
Getty Images fileNational SecurityDHS weighing major changes to fight domestic violent extremism, say officials
KCNA / KNS via AFP - Getty ImagesNational SecurityNorth Korea launched two ballistic missiles, U.S., Japanese officials say
Presidential Palace via APNational SecurityDefense Secretary Lloyd Austin makes unannounced visit to Afghanistan
Wakil Kohsar / AFP via Getty Images fileNational SecurityBiden considers delaying U.S. troop exit from Afghanistan to later this year
Jonathan Ernst / Reuters fileMilitaryArmy promotes Yevgeny Vindman, who was fired by Trump White House
KCNA / ReutersNational SecurityBiden aides bristle at heated rhetoric on North Korea, tell officials to tone it down
Ahmed Yosri / ReutersWorldIranian-backed Houthi rebels in Yemen ramp up drone, missile attacks on Saudi Arabia
Erin Scott / ReutersJoe Biden'Human error' allowed security breach at Joint Base Andrews: Air Force inspector general report
Andrew Caballero-Reynolds / Pool via APNational SecurityU.S., China delegations to hold top-level meeting next week after first diplomatic trip
Brendan Smialowski / AFP - Getty ImagesNational SecurityU.S. Capitol Police request continued National Guard help amid security threats
Pacific Press / Getty Images fileCongressD.C. National Guard chief: Pentagon took 3 hours to greenlight troops during Capitol assault
Josh Edelson / AFP via Getty Images fileSocial MediaFacebook took down fake Iranian, Russian networks stoking political division around the globe
Graeme Jennings / APJustice DepartmentFBI Director Christopher Wray sheds little new light on domestic terrorism, Capitol riot intelligence failures
Pierre Crom / Getty Images fileNational SecurityBiden administration announces $125M military aid package for Ukraine
Maxar Technologies / ReutersWorldU.S. airstrike in Syria on Iranian-backed militia killed one fighter, wounded two, Pentagon says