An Act to amend and reenact § 18.2-121.3 of the Code of Virginia, relating to trespass with an unmanned aircraft system; penalties. Trespass with an unmanned aircraft system; penalties. Creates a Class 4 felony for any person who knowingly and intentionally, and without authorization, causes an unmanned aircraft system to enter the airspace over any public services or utilities or critical infrastructure, as defined in relevant law, including any military base authorized by the U.S. Department of Defense. The bill also adds that the offenses related to trespass with an unmanned aircraft system shall not apply to any person who causes an unmanned aircraft system to enter any prohibited property if such person is (i) an employee of the property and is conducting official business or (ii) an employee of a public service or utility or critical infrastructure and is conducting official business.