On the eve of the NATO summit in Ankara, the alliance’s Secretary-General Mark Rutte said European members and Canada are on track to bring their defense spending into line with that of the United States, which has long criticized Europe's lack of military spending and perceived "free riding."

NATO Secretary-General Mark Rutte on Monday demanded that members put forward "clear, concrete and credible plans" to reach the organization's defense spending targets at its annual sum

NATO Secretary-General Mark Rutte has demanded allies present clear plans to meet spending targets at the annual summit in Ankara.

The 32 nations agreed last year to invest 5% of their gross domestic product on defence, but some are struggling to meet previous targets of 2%.