Region
Naval Undersea Warfare Engineering Station
6
United States
6
Washington (State)
6
Aberdeen Proving Ground
3
Delaware
3
Dover Air Force Base
3
Maryland
3
Dover Air Force Base (Del.)
2
Greenville
2
Harris County
2
Kentucky
2
Louisville
2
South Carolina
2
Texas
2
Colorado
1
Illinois
1
Minnesota
1
Wisconsin
1