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.

Are Colombia and Venezuela on the verge of war?

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.

A deployment of 40,000 additional troops to Afghanistan could add an additional $20 billion a year to the war.

The deaths of eight U.S. soldiers in Afghanistan yesterday raised the death toll of U.S. troops in October to 55, the deadliest month for American soldiers since the war began in 2001.

Defense Secretary Robert Gates says the military will support President Obama's decision to increase troops in Afghanistan: "We will salute and execute those decisions faithfully and to the best of our ability."

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.

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.

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