President Barack Obama leads nation in moment of silence, as commemoration ceremonies take place in New York, the Pentagon and the Flight 93 memorial in Pennsylvania
Classified intelligence agencies budget reveals details of operation which until now Pentagon had reportedly tried to hide
Out of America: The CIA whistleblower struck a blow for us all, but his 1970s predecessor showed how to win
Defence officials call revelations a 'failure to defend our own networks' and introduce new rules for contractors
A draft bill will break the usual chain of command for sex abuse
The top US defence leaders were summoned to the White House today to talk about the military's sexual assault crisis as the Pentagon's top general said women in uniform were losing confidence the problem will be solved.
US report makes first explicit accusation that Beijing is hacking for military secrets
Mr Kerry arrived South Korea as part of a unusual diplomatic journey, traveling directly into a region bracing for a possible North Korean missile test
The US military will formally end its ban on women serving in front-line combat roles, officials said yesterday, in a move that could open thousands of fighting jobs to female service members for the first time.
The woman who unwittingly brought down General David Petraeus has broken her silence to reject “outrageous” claims that she exchanged 30,000 emails with a second top officer.
The Guantanamo Bay trials are in such disarray that nobody may ever be convicted of the 9/11 attacks in New York and Washington, it emerged today.
The Pentagon announced Friday that it will examine whether its generals and admirals receive too many perks and said they should receive more ethics training earlier in their careers.
Osama Bin Laden’s last rites aboard the USS Carl Vinson were shrouded in such secrecy that the ship’s crewmen had little idea what was going on as the slain Al-Qaida leader’s body was helicoptered in and swiftly buried at sea, new US military emails have revealed.
The top US commander in Afghanistan, General John Allen, is under investigation for alleged inappropriate communication with a woman at the centre of the sex scandal involving former CIA Director David Petraeus, a senior US defence official said today.
Urgent work to avert the 'fiscal cliff' as key figures from first term get ready to leave President's team
The US Navy is sending three large-deck amphibious ships to waters off of New York and New Jersey to assist in storm recovery and relief, according to the Navy's chief of information.