After different vehicles approached the base on monday and tuesday. It might be suspicious is a series of vehicle as approaching our gate and asking for directions or approaching the gate and then turning around before they came in to cant with our Security Forces personnel. Lieutenant colonel says it was done out an abundant of caution and there is no specific threat and they asked National Guard to increase patrols across the bases in the state. We share this with our bases on a national levels. The base is home to 1100 airmen and is used frequently by Vice President biden when he is home in delaware. They are getting license plate numbers to track down the drivers. The safety of our personnel and our equipment and facilities are our top priorities. We cant discuss specifics but our measures are a matter of procedure and increased vigilance. The Lieutenant Colonel tells me the threat level was raised a year ago when a suspicious package was delivered to the base so it does happen. Im