During the 1980s Gritz undertook a series of private trips into Southeast Asia, purportedly to locate United States prisoners of war which as part of the Vietnam War POW/MIA issue some believed were still being held by Laos and the Socialist Republic of Vietname.g., at Nhommarath.
In the book Inside Delta Force, CSM Eric L. Haney, a former Delta Force operator, claims that the unit was twice told to prepare for a mission involving the rescue of American POWs from Vietnam.