The operation, Steadfast Dart, comes as President Trump has been accused of undermining the alliance and will be watched closely to see how well the allies manage without their most important partner.

Libya’s Chief of the General Staff, Lieutenant General Salah al-Din al-Namroush, has held talks with the newly appointed US defence attaché to Libya on enhancing military cooperation and preparations for the Flintlock joint military exercise in the city of Sirte.

Although CENTCOM said that the "exercise is designed to enhance asset and personnel dispersal capability," military parties have used such drills in the past as cover for launching a surprise attack.

Fox News senior foreign affairs correspondent Greg Palkot has the latest on the Trump administration’s stance on Iran on ‘America Reports.’