JOE PAPPALARDO: Gunboat Diplomacy, But With Warthogs. “You don’t always need warships to conduct gunboat diplomacy. In Europe, detachments of U.S. warplanes are operating throughout the Baltic region, sending a reassuring message to American allies—and a warning to Russia. In recent weeks there have been some new arrivals: combat planes that are part of what defense wonks call a theatre security package, or TSP. Their arrival is the first TSP in Europe. All previous ones were deployed to Asia.”