This year's Army suicides are on track to surpass the number of troops killed this year in Iraq.

Morale among American troops stationed in Afghanistan is falling, according to a study by the Army. The study also found that at least half of the soldiers in Afghanistan have had difficulty getting care for their mental health issues.

Major Nidal Malik Hasan, a 39-year-old Army psychiatrist who was about to be deployed to Afghanistan, killed 13 soldiers and injured 31 others in Fort Hood, Texas before being shot and killed by police.

General Stanley McChrystal, the top U.S. and NATO commander in Afghanistan, is echoing U.S. Admiral Mike Mullen's assertion that the U.S military will need more troops to win the war in Afghanistan.

The U.S. military has unveiled the Precision Urban Hopper, a small robot on wheels that can jump over fences more than 25 feet high.

A high-ranking U.S. military official told the Senate Armed Services Committee that the military needs "more resources" and "probably" more troops to defeat the Taliban in Afghanistan.

The recent deaths of four American soldiers in Afghanistan have made 2009 the deadliest year for foreign forces in Afghanistan since 2001. Over 1,300 troops have died in Afghanistan since the U.S. began its offensive against the Taliban.

The U.S. Army has announced it will require all 1.1 million of its soldiers to undergo mental stress training, which includes dealing with depression, post-traumatic stress disorder and suicidal thoughts.

Women at Arms: In Their Own Words, an audio slideshow featuring the stories of American female soldiers in Iraq and Afghanistan.

A U.S. soldier has been charged with the murder of a Mexican drug cartel member who was an informant for the U.S. Immigration and Customs Enforcement service. The 18-year-old soldier, Michael Jackson Apodaca, was hired to carry out the killing along with an unidentified 17-year-old boy.