A Southwest Airlines pilot and co-pilot preparing for a flight from Dallas last year. In the wake of the Germanwings crash this week, many European airlines are rushing to adopt a two-person cockpit rule similar to the one already in place in the U.S. LM Otero/AP hide caption

itoggle caption LM Otero/AP

Police officers carry boxes outside a house in Montabaur, Germany, on Thursday in connection with the investigation into the Germanwings A320 crash. Fredrik von Erichsen /EPA /Landov hide caption

itoggle caption Fredrik von Erichsen /EPA /Landov

A man hammers a wall with elections posters at an open market in Kano, Nigeria, on Friday. The country is preparing for presidential elections on Saturday. President Goodluck Jonathan faces former military ruler Muhammadu Buhari and 13 other candidates in what is seen as the closest presidential race since the end of military rule in 1999. Goran Tomasevic/Reuters/Landov hide caption

itoggle caption Goran Tomasevic/Reuters/Landov

A 3,000-ton cargo ship, at Thajeen Port in Samut Sakhon, Thailand, 15 days after it set sail from Benjina, Indonesia. The company that owns the ship said it is not involved with the fishermen. "We only carry the shipment and we are hired, in general, by clients," said owner Panya Luangsomboon. "We're separated from the fishing boats." Wong Maye-E/AP hide caption

itoggle caption Wong Maye-E/AP