The Army’s 5th Battalion, 7th Air Defense Artillery Regiment, the only U.S. Patriot missile battalion based in Europe, transferred its Patriot missile defense mission in Poland to German forces.

On Feb. 2, 1848, the war between the United States and Mexico formally ended with the signing of the Treaty of Guadalupe Hidalgo.

For decades, the Five Eyes pact has allowed the U.S., Canada, Britain, Australia and New Zealand to share intelligence. Now experts and spymasters are worried about its future.