To be clear the article points to Russia as the reason for allocating more money to military modernization. The reference to the U.S. infers Germany is unclear the direction of the U.S., not that the U.S. poses a direct threat to Germany.
More and more I see similarities between what is happening now and prior to both world wars. It’s happening in Europe and Asia. Add in NK military involvement in Ukraine and known relationships between Russia, China, and Middle East entities.