Vietnam, 1966-1969
Guatemala, 1970-1977
Domenica, El Salvador, and South America, 1979-1983
Uganda, Luwero Triangle, 1984
South China Sea, 1984-1985
Sudan and Chad, 1985
Honduras, 1985-1986
Mozambique, 1987-1988
Ethiopia and Somalia, 1989
Liberia by Way of Nicaraqua, 1990-1993
Rwanda, 1994
Gaza and the West Bank, 1995
Bosnia, 1995-1996
Northern Uganda by Way of Nicaraqua, 1996-1997
From El Salvador to Ecuador and Colombia, by Way of Africa, 1997-2002 and 2008-2009
North Korea, 2002
Nepal, 2003
Micronesia by Way of Iraq, 2003-2008
Northern Mexico by Way of Central America, 2010-2013.