Zero One Airsoft posts the The National Airsoft Festival 2015 Highlights on YouTube as they rev up their preparations for the The National Airsoft Festival 2016. The event, more known as the Ground Zero Weekender will be on its 9th edition this year and for those who are planning to book their slots to be part of one of the biggest airsoft events in the world, they better do it as soon as possible as booking closes on the 12th of August 2016.