"...extraordinary heroism in military operations against an opposing armed force as Rescue Crew Commander of an HH-3E helicopter in Southeast Asia on 30 March 1968. On that date, Major Griggs flew over hostile territory in low overcast weather to reach the survivors from six American helicopters which had been shot down by hostile fire. After his aircraft received substantial battle damage from intense opposing ground fire, Major Griggs, with undaunted determination, indomitable courage, and professional skill, persisted in the rescue attempt until he rescued four survivors, although he sustained further battle damage from the intense hostile fire..."
From "For Extraordinary Heroism The Air Force Cross" by Jeffrey B. Floyd