Multiple European arms makers are designing next-generation tanks like KNDS' Leclerc Evolution, seen at a 2024 defense expo in Paris.Artur Widak/Getty ImagesA slew of new tank designs are emerging from European drawing boards.Many are alternatives to the pan-European tank envisioned by France and Germany.It faces domestic pressure to favor national projects that benefit a nation's workforce.For years, the European tank market was fairly stable.