US | NASA Ohio NASA Facility Locked Down, Reports of Gunman Spokesperson will not confirm whether gunman is involved By Newser Editors and Wire Services Posted Nov 5, 2010 9:56 AM CDT Copied In this combo made from file photos, a Continental Airlines plane takes off from Cleveland Hopkins Airport over the NASA Glenn Research Center in Cleveland, top. (AP Photo) A sprawling NASA research center next to Cleveland's airport is under lockdown amid reports of a possible gunman. NASA Glenn Research Center spokeswoman Sally Harrington wouldn't say whether police were checking for a gunman but she says the complex was placed under "complete lockdown" this morning. The center is located at the edge of Cleveland Hopkins International Airport along the Cleveland-Brook Park border. Brook Park police withheld details on how they were handling the situation; Cleveland police say they aren't involved. The research center has more than 3,400 employees and contract workers. An airport spokewoman says its operations are unaffected. Read These Next President Trump was not a fan of the halftime show at the Super Bowl. Some Olympians are struggling with representing the US. Vonn has surgery after 'heartbreaking' crash. Makers of superyachts have a teak problem. Report an error