NATO’s top military officer is weighing alternative plans to defend Europe should it come under attack from Russia, after the United States announced that it is cutting the number of aircraft and warships that it would provide in a security crisis.

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…