Germany can now produce more ammunition than the U.S., says the boss of German defense giant Rheinmetall, as a massive rearmament campaign gets underway in Europe. Rheinmetall has more than quadrupled its annual production of medium-caliber ammunition, and ramped up output of artillery rounds to 1.1 million — up from 70,000, chief executive Armin Papperger told reporters last week according to German media. Newsweek has sought confirmation of the remarks from the weapons manufacturer. European