Liberian President Ellen Johnson Sirleaf visited West Point in August, when the impoverished neighborhood was quarantined to prevent the spread of Ebola. Tommy Trenchard for NPR hide caption

itoggle caption Tommy Trenchard for NPR

An Israeli soldier launches a drone that's attached to a military vehicle in southern Israel, not far from the border with the Gaza Strip, on July 29. Israel was a pioneer with drones and has developed a number of military technologies that it later sells abroad. Jim Hollander/EPA/Landov hide caption

itoggle caption Jim Hollander/EPA/Landov

U.S. Secretary of State John Kerry shakes hands with Israeli Prime Minister Benjamin Netanyahu in Tel Aviv on July 23. While the two countries are close allies, they have exchanged criticism during the recent Israel-Hamas fighting in Gaza. Pool/AFP/Getty Images hide caption

itoggle caption Pool/AFP/Getty Images

An Israeli Merkava tank drives past a field of sunflowers along the border between Israel and the Gaza Strip as it moves out of the Gaza Strip on Aug. 3. Gil Cohen Magen /AFP/Getty Images hide caption

itoggle caption Gil Cohen Magen /AFP/Getty Images

An Israeli soldier stands inside an underground tunnel built by Hamas militants leading from the Gaza Strip into Southern Israel. Israel says it has destroyed 32 similar tunnels so far in the nearly monthlong conflict. Ilia Yefimovich/Getty Images hide caption

itoggle caption Ilia Yefimovich/Getty Images