Polish Defense Minister Mariusz Blaszczak and U.S. officials attended a ceremony Tuesday to formally upgrade the U.S. military presence in NATO member Poland amid the war in neighboring Ukraine. There are more than 10,000 American troops stationed in the former communist bloc country. They belonged to Area Support Group Poland, which has now been upgraded to form the first U.S. Army garrison on NATO's eastern flank — a decision announced by President Joe Biden at the summit of NATO's 30 members last year. The U.S. already has five army garrisons in Germany, one on Belgium and one in Italy. “We...