The VA Doctor in this episode tells Brett Swann that he cannot order an MRI that would cost thousands. In actuality, a primary care provider at the VA can, in fact, order an MRI for something as simple as continued headaches. Evidence of a traumatic brain injury would never, ever be ignored by a VA doctor, regardless of the Veteran's service connection.
Mission milestones seem to based on the D-Day invasion of Normandy, France during World War II; more specifically the beach landing sites: Omaha, Juno, Utah.
"YODO", short for you only die once.
MARSOC - Marine Forces Special Operations Command: the Marine Corps component of the United States Special Operations Command (SOCOM). MARSOC units are most often called upon to conduct direct action, special reconnaissance and foreign internal defense missions and sometimes counter-terrorism. Probably the best known MARSOC unit is Marine Corps Force Reconnaissance (Force Recon), they specialize in direct action, intelligence gathering and maritime raid operations, specifically carrying out visit, board, search and seizure (VBSS) operations.
SFODA - Special Forces Operational Detachment Alpha: the direct action special forces groups of the United States Army's Green Berets. There are usually six ODA teams, each ODA team consists of 12 soldiers and each team specializes in a specific mission skill-set like: high altitude airdrop insertion, combat diving, mountainous warfare, maritime operations, hostage rescue and special recon.