 United States to give Ukraine 8 Nasems, first two on the way Pentagon. According to Ministry of Defense of Ukraine, United States of America is about to send 8 Nasems. Nasems, which means National Advanced Surface-to-Air Missile System, is a distributed and networked short-to-medium range, ground-based air defense system. The system defends against unmanned aerial vehicles, helicopters, cruise missiles, unmanned combat aerial vehicles, and crude-fixed wing aircraft firing, any of a wide range of existing missiles. Earlier, it was reported that Ukraine expects a total of 8 Nasems from the United States. Two Nasem systems were included in the package of military assistance to Ukraine, worth $820 million that the United States announced on July 1. Then, on August 24, Ukraine's Independence Day, the Department of Defense announced a new aid package from the United States, worth almost $3 billion, including six additional Nasems and associated munitions. A Pentagon spokesman confirmed this plan on October 31, commenting on the provision of air defense systems and equipment to Ukraine at the request of journalists.