Marine Gen. John Allen is reconsidering whether he wants to take the helm of European Command after relinquishing command in Afghanistan and going through an embarrassing investigation into his relationship with a Florida socialite.

President Obama set up high-stakes clashes over guns, immigration, taxes and climate change in a State of the Union address that showcased a newly re-elected president determined to mark his legacy.

The Pentagon for the first time is considering scaling back the massive buildup of drones it has overseen in recent years, both to save money and to adapt to changing security threats and an increased focus on Asia as the Afghan war winds down.

The Navy relieved of duties the commanding officer and executive officer of the attack submarine USS Jacksonville, based at Pearl Harbor, on Sunday after the sub's periscope struck a vessel while operating in the Persian Gulf Jan. 10, officials said.