The High Endurance Rapid Technology Insertion is an Unmanned Aerial Vehicle (UAV), commonly known as a drone, developed by BAE Systems.
It’s a surveillance, reconnaissance and target acquisition aircraft, equipped with two cameras and operated from the ground.
The Herti had a top speed of over 143 mph and could stay in the air for twenty hours. It entered service in Afghanistan in 2007.
You can find the Herti hanging in the T2 hangar.