Code of Federal Regulations Title 50. Wildlife and Fisheries § 50.217.74 Mitigation

(1) Security overflights immediately associated with the launch shall not approach pinniped haulouts on Ugak Island by closer than 0.25 mi (0.4 km), and shall maintain a vertical distance of 1,000 ft (305 m) from the haulouts when within 0.5 mi (0.8 km), unless indications of human presence or activity warrant closer inspection of the area to assure that national security interests are protected in accordance with law;  and

(2) All Castor 120 equivalent launches shall be conducted at LP1.