US defense secretary

Rajnath holds talks with US counterpart Esper, discusses defence cooperation

Pentagon says no specific evidence Iran was plotting to attack US embassies

Yemen humanitarian situation likely to worsen with Saleh death: Jim Mattis

Mattis eyes moving away from arming Syrian Kurdish fighters

US Defense Secretary issues stark warning to North Korea

US Defence Secretary Ashton Carter meets PM Narendra Modi

Trump touts retired general as potential defense secretary

US warns Beijing of `self-isolation` in South China Sea

US Defense Secretary Carter visits warship in South China Sea

NATO 'exploring possibility' of joining anti-IS coalition: US

Now, US defense secretary engulfed in email scandal

Pentagon seeking brains and ideas in Silicon Valley

Ashton Carter likely next Pentagon chief: Reports

Hagel's India visit aimed at nurturing defense ties: Pentagon