U.S. Navy air wing captains pause on the flight deck of the aircraft carrier USS Theodore Roosevelt last September. Every day, the steam-powered catapult aboard this massive ship flings American fighter jets into the sky, on missions to target the extremist Islamic State group in Iraq and Syria.
Kurdish Regional Government Peshmergas attend a military training exercise conducted by U.S.-led coalition trainers at the Bnaslawa military training camp in Irbil, Iraq, in March.
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Moyaad Saad, a 43-year-old former civil servant from Baghdad, feeds his 6-month-old daughter Zahara on their cot in a giant tent at a makeshift migrant camp near the border between Greece and Macedonia. Thousands of asylum seekers are now stuck here after several European countries closed their borders to them.
Joanna Kakissis for NPR
Family members and friends carry the Turkish flag-draped coffin of Murat Gul, 20, a security agent killed in Sunday's explosion, during his funeral procession in Ankara, Turkey.
Iraqi soldiers sit in a truck during a training exercise southeast of Baghdad on Jan. 24. The Iraqi military has made progress against the Islamic State, but the extremist group still holds key cities, and numerous other armed factions operate throughout the country.