24 February 2021 Fully leased building is testament to the high demand from UAS companies to be North Dakota GRAND FORKS, N.D. — Grand Sky Development Company, LLC (Grand Sky) has entered into lease agreements with four tenants to occupy the entirety of the new Multi-Tenant Building 1 (MT1) at the business and aviation park. The tenants include General Atomics Aeronautical Systems, Inc., Northern Plains UAS Test Site, Grand Sky Airfield Operations, LLC and Innovets Aerospace. The Northern Plains UAS Test Site has signed a 10-year lease in the MT1 building at Grand Sky and has plans to use...