( CNN ) -- No U.S. military forces died last month in Afghanistan , marking the first such month in more than seven years and the third time since the war began more than 12 years ago , according to the CNN Library , which tallies the casualties . Here are some other numbers : . • The previous months in which no U.S. deaths occurred during Operation Enduring Freedom were January 2007 and July 2002 , CNN Librarian Lindsey Knight said . • Separately , NATO said one of its service members died Tuesday of a non-battle-related injury in southern Afghanistan . • Fourteen U.S. combat deaths have occurred this year in Afghanistan , seven each in January and February . • In all , 2,309 U.S. military members have died in Afghanistan since hostilities began there on October 7 , 2001 . Three additional Department of Defense civilians have died . According to NATO 's website , its primary goal is to help Afghan authorities provide effective security across the country and ensure that terrorists can not again use the country as a haven . Its mission is slated to end at the end of the year . INTERACTIVE : Explore the number of U.S. and coalition troops who have died in Iraq and Afghanistan .
Last month is one of three months since 2002 that no U.S. military have died in Afghanistan . The previous months were July 2002 and January 2007 . A NATO service member died Tuesday in southern Afghanistan . TL;DR President Obama has authorized a new round of airstrikes against the Taliban, but he says it will be limited to targets inside Afghanistan.