Region
United States --
7
Asia --
3
United States
3
Asia, Southeastern --
2
Singapore
2
Singapore --
2
Soviet Union --
2
2001
1
Africa --
1
Asia
1
Asia, Southeastern
1
Hampton Roads
1
Hiroshima-shi (Japan) --
1
Islamic countries
1
Japan
1
Malaya
1
Malaya --
1
Malaysia --
1
Nanjing (Jiangsu Sheng, China) --
1
Philippines
1
Switzerland
1
Switzerland --
1
Thailand --
1
United Nations --
1
United states --
1
Virginia --
1