Jaguar Land Rover will halt shipments to the U.S. as it assesses the impact of tariffs.The pause in shipments is temporary, and the automaker emphasizes the importance of the U.S. market.Jaguar Land Rover is owned by Tata Motors, an Indian company, and relies on global imports.The new 25% tariff on imported models poses a threat to the company's already expensive U.S. imports.