The President of the United States of America takes pleasure in presenting the Distinguished Flying Cross to Technical Sergeant John William Frederick, Jr. (MCSN: WO-82847/397561), United States Marine Corps, for heroism and extraordinary achievement while participating in aerial flight while serving as an Airborne Intercept Operator attached to Marine All Weather Fighter Squadron FIVE HUNDRED FORTY-TWO (VMF(AW)-542), during operations against enemy aggressor forces in Korea, from 21 September to 11 December 1950. Completing thirty-five missions during this period, Technical Sergeant Frederick participated in combat flights against the enemy, primarily at night in adverse weather conditions and over mountainous terrain, thereby contributing materially to the success of his aircraft. His courage, skill and devotion to duty in the face of grave hazards were in keeping with the highest traditions of the Marine Corps and of the United States Naval Service.