Poland just purchased a Patriot missile system — like the one shown here — from the United States. (© Jack Guez/AFP/Getty Images)

Poland just purchased a Patriot missile system — like the one shown here — from the United States. (© Jack Guez/AFP/Getty Images)

Poland just purchased a Patriot missile system — like the one shown here — from the United States. (© Jack Guez/AFP/Getty Images)