Armored vehicles take part in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)

Parachute troops take part in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)

Soldiers take part in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)

Wooden ships take part in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)

Soldiers take part in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)

Qatar's Emir Sheikh Tamim waves to the crowd in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)

Soldiers on camels take part in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)

Soldiers take part in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)

Youth take part in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)

 Soldiers take part in a military parade during Qatar's National Day in Doha, Qatar, Dec. 18, 2013. (Xinhua/Chen shaojin)