A truck driver transporting NATO military vehicles sleeps as he waits for registration before crossing the Torkham border into Pakistan, in eastern Nangarhar province on August 24, 2013. Military vehicles of NATO forces have started leaving the country via Pakistan as they conclude NATO duty in Afghanistan. #

Kaden Bowden, son of U.S. Army Staff Sgt. Joshua J. Bowden, looks at the casket for his father during burial services for Staff Sgt. Bowden at Arlington National Cemetery, Virginia, on September 27, 2013. Bowden was from Villa Rica, Georgia, and died on August 31, 2013, from injuries sustained while serving in Afghanistan. #

Afghan policemen, near a crater at the scene of suicide attack in Maidan Shar, the capital of Wardak province, on September 8, 2013. At least four Afghan intelligence agents were killed and more than one hundred people were wounded, the provincial government said in a statement. #

An Afghan farmer works on his farm on the outskirts of Mazar-i-Sharif, on September 5, 2013. Only about 15 percent of Afghanistan's land, mostly in scattered valleys, is suitable for farming with about 6 percent of the land actually cultivated, with wheat being the most important crop. #

A suicide attacker lies on the ground after his vest was defused in Jalalabad province, on June 30, 2013. Afghan security forces captured the would-be suicide attacker before he was able to blow himself up. #

A soldier with the 2-244th Airfield Operations Battalion, Louisiana National Guard, hangs from the hoist of a UH-60 Black Hawk helicopter assigned to Task Force Gunfighters, 1st Combat Aviation Brigade, 1st Infantry Division, during hoist training above Multi-National Base Tarin Kot, Afghanistan, on September 19, 2013. #

An honor guard carries coffins of Georgian soldiers killed in Afghanistan at the airport in Tbilisi, June 9, 2013. A suicide bomber detonated a small truck loaded with explosives in southern Afghanistan, killing seven Georgian soldiers, NATO and Georgian officials said, and the Afghan Taliban claimed responsibility. #

Afghan football fans climb an electrical pole to celebrate winning the South Asian Football Federation championship after their team defeated India during the final match, in Kabul, on September 12, 2013. President Hamid Karzai embraced Afghanistan's victorious football team on Thursday, hours after they united the nation in a rare moment of shared joy, but officials also told jubilant Afghans to stop firing guns into the air in celebration. The national men's team beat India 2-0 to win the championship in Kathmandu, Afghanistan's first international football title, sending tens of thousands of joyous Afghans into the streets. #

Afghan security personnel assist an injured police after a suicide car bombing and a gunfight near the U.S. consulate in Herat Province, on September 13, 2013. Taliban militants attacked the U.S. consulate in western Afghanistan, using a car bomb and guns to battle security forces just outside the compound in the city of Herat. #

U.S. Army Staff Sgt. Jason Dinkins with the 3rd Combat Aviation Brigade is hugged by his daughter Olivia Chastain after a welcome home ceremony, on June 11, 2013 at Hunter Army Airfield in Savannah, Georgia, The aviation brigade deployed 2,200 soldiers to Afghanistan in December on a 9-month mission, but came home earlier than expected. #

The Afghan landscape, seen from the crew chief's window of a 10th Combat Aviation Brigade UH-60L Black Hawk helicopter during a training flight, Sept. 18, over Kabul, Afghanistan. #

The reflection of a UH-60M Black Hawk helicopter, seen in the visor of Sgt. Corey Konieczko, a UH-60M Black Hawk helicopter crew chief assigned to C Company, 2nd Battalion (Assault), 10th Combat Aviation Brigade, prior to a personnel movement mission, on September 25, 2013, at Forward Operating Base Shank, Afghanistan. #

Afghan police officers share a joke during a training session at the Police Academy in Kabul, on September 25, 2013. Sediq Sediqqi, a spokesman for Afghanistan's Interior Ministry, admitted that there were problems involving women in the police force but said the government plans to double the number of female officers from 2,200 to more than 4,000 in time for next April's presidential and provincial elections. #

An injured Afghan boy with blood on his face walks at the site of bomb explosion in Jalalabad province, on August 6, 2013. A remote control bomb went off in Jalalabad city, killing one person and injuring three others, provincial officials said. #

Afghan youths light candles in front of the destroyed palace of Darul Aman to mark the killing of 5,000 civilians by the communist regime during the Russian occupation, in Kabul, on September 29, 2013. Afghanistan observed two days of official mourning for people killed by the communist regime in the late 1970s after a list of thousands of the dead was released. #

Disabled Afghan men play wheelchair basketball at one of the International Committee of the Red Cross (ICRC) basketball clubs for war victims and the disabled in Jalalabad, on August 19, 2013. Afghanistan is still one of the most heavily mined countries in the world despite international efforts to clean the impoverished nation of millions of mines. #

A U.S. Army carry team carries the flag-draped transfer case with the remains of Army Staff Sergeant Octavio Herrera of Caldwell, Idaho, across the tarmac during a dignified transfer at Dover Air Force Base August 14, 2013 in Dover, Delaware. Herrera died August 11 of wounds suffered when enemy forces attacked his unit with indirect fire while supporting Operation Enduring Freedom in Paktia Province, Afghanistan. #

Members of a motorcycle honor guard pay respects to Elizabeth Harman, sister of Lt. Col. Jaimie Leonard, who was killed in Afghanistan by an Afghan soldier along with two other Americans earlier this month, and who was laid to rest at the United States Military Academy Cemetery on Thursday June 20, 2013, in West Point, New York. #

U.S. soldiers with the 1st Battalion, 5th Cavalry Regiment man an observation post while 3rd Platoon, 87th Sapper Company conducts route clearance along Highway 1 Wardak province, on August 12, 2013. #

Afghan footballers participate in a training session at Kabul stadium, on September 2, 2013. Some 144 Afghan footballers, who represent eight regional teams in the Afghan Premier League (APL), are accommodated in a sprawling house in the Afghan capital where they live, eat and sleep during the seven-week season, earning just 9 USD a day. #

Afghan security personnel investigate the site of an attack in Kabul, on June 10, 2013. Seven Taliban insurgents including suicide bombers attacked the main airport in the Afghan capital, with explosions and gunfire heard near an area that also houses major foreign military bases. #

Afghan municipality workers remove blood from a site of an explosion in Jalalabad province, on July 16, 2013. A bomb planted on a bicycle detonated killing at least two people and injuring three others, a police officer said. #