Defense

Al-Qaida-Affiliated Group Was in 'Final Stages' of Planning Attacks Against the West

U.S. forces launched air strikes against the little-known Khorasan Group Monday night.

Read more4:53 PM ETLeave a comment Mass Communication Specialist 3rd Class Robert Burck/Navy

President Obama Praises Syria Coalition and Warns Extremists 'Plotting' Against America

The president made a brief statement on Monday night's strikes against ISIS and the Khorasan Group in Syria.

The Voice of al-Qaida Was Just Sentenced to Life in Prison

Sulaiman Abu Ghayth worked closely alongside Osama bin Laden leading up to and after the Sept. 11, 2001 attacks.

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A CDC doctor prepares to enter an Ebola treatment center in Liberia.

CDC Predicts As Many As 1.4 Million Ebola Cases by Early 2015

Without an effective intervention or a slowdown, the outbreak could extend from 550,000 to as many as 1.4 million cases by Jan. 20.

Friday's White House Intruder Was Far From the First

Tourists, "cranks," and other eccentrics have made it unscathed into the executive mansion.

Defense One Two of the U.S. Air Force's F-22 Raptors in flight.

F-22 Finally Makes Its Combat Debut Against Syria

Seven years after they were declared battle ready, the $370 million jet sees action. By Marcus Weisgerber

A Tomahawk missile launch in 2011, seen through a night vision lens. The U.S. is using Tomahawk missiles in its strikes against Syria.

The U.S. Military Has Begun Striking ISIS in Syria

Fighters, bombers, remotely piloted aircraft and Tomahawk missiles were used against Islamic State forces in Syria Monday night.

White House Press Secretary Josh Earnest addressed the media Monday.

Is the White House Door Locked Yet?

After a man gained entry with a knife, White House press secretary Josh Earnest said the front door to the White House will be locked when not in use.

The VA's outpatient clinic in Corpus Christi, Texas is seen in 2009.

How Soon We Forget the Veteran Who Attacked the White House

The story behind Friday's intrusion: a VA system failing millions like Omar J. Gonzalez.

Army Lt. Gen. Stephen R. Lanza, center right, commander of I Corps, is briefed by his staff during a combined arms rehearsal meeting for Ulchi Freedom Guardian at Camp Yongin, South Korea, Aug. 21, 2014.

Pentagon Warns of Losing Its Tech Edge

The latest version of the Better Buying Power initiative aims to improve acquisition, but contractors say it’s too limited.

A Navy F/A-18 pilot at Naval Air Station LeMoore, California, trains in 2005 in a simulator built and maintained by industry.

Shifting More Work to Defense Labs Could Save Money, Improve Performance

To keep government technical staff relevant, they need better facilities.

White House Intruder Identified as Iraq Veteran While Politicians Take Aim at Secret Service

More details emerge from Friday's White House intrusion and politicians go after the Secret Service.

Defense One An MQ-9 Reaper sits on the flight line at Hurlburt Field, Fla, on May 3, 2014.

The Rise of the Islamic State Could Mean More Drones

The recent trend in less spending for drones just hit a big bump in the wake of the threat of Islamic fighters in Iraq and Syria. By Patrick Tucker

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