1. Johns Hopkins University Applied Physics Laboratory, 11100 Johns Hopkins Road, Laurel, Maryland 20723, United StatesbUniversity of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, United States
2. United States Naval Academy, 121 Blake Road, Annapolis, Maryland 21402, United States
3. Johns Hopkins University Applied Physics Laboratory, 11100 Johns Hopkins Road, Laurel, Maryland 20723, United States
4. University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, United States