About "The Unknowns" is a documentary film created by Army Veterans Ethan Morse and Neal Schrodetzki. Both were stationed at the Tomb of the Unknown Soldier in Arlington National Cemetery, and bring a unique perspective to the rigorous and intricate training process that soldiers must endure to be stationed there. The film covers select portions of the Sentinel training program, and will answer questions and dispel myths that have circulated regarding the elite site since its establishment.