PARIS — France and Germany have formalized an agreement to develop a future battle-tank system, with the countries’ defense ministers signing off on an industrial work-share pact here on Friday. The countries’ defense firms – KNDS, Rheinmetall and Thales, among others – can now get to work on proposals, which are expected in the coming months, French Armed Forces Minister Sebastian Lecornu said at a briefing. Germany is leading the project and will be in charge of awarding contracts for the