NATO’s top military officer is considering new plans to defend Europe if Russia attacks. U.S. cuts to the number of aircraft and warships it would provide NATO in a crisis is forcing him to look at other options.

European NATO member states need to prepare to deter, and if necessary, defeat Russia—with less US support. When it comes to airpower, here are the actions European states need to…

The United States plans to significantly reduce the number of aircraft and naval assets it makes available to Nato operations in Europe, according to a report by The New York…