Today, May 21st, the GI Film Festival San Diego closes the multi-day military event with documentaries that explore many themes and leave festival-goers wanting more. Kicking off the final day of film screenings will be the World Premiere of the documentary feature “Nation’s Promise” at 12 noon, and preceded by “Blind Ambition: The Wop May Story.” A Documentary Block will follow at 2:15 p.m. with three documentary shorts that explore resiliency, healing and forgiveness, including “Veterans Journey Home: On Black Mountain,” “Down on the Ranch,” and “The Monument of Tolerance.”