 Nyora kupfuurira kweiyi ndima - Muchiitiko chekupfura pasi kweEC-121Musi waApril 15, 1969, EC-121M yeU.S. Navys Fleet Airborne Reconnaissance Squadron One VQ-1 Vietnam, yakasimuka pakufamba kweSIGINT pasi pechirongwa cheBEGGAR SHADOW. North Korea air search radar yakatariswa neUSAF 6918th Security Squadron muJapan, uye Detachment 1 6922nd Security Wing paOsan Air Base muKorea, uye Naval Security Group paKamiseya, Japan. EC-121M yakanga isina kuperekedzwa. Apo radar yeU.S. yakacherechedza kusimuka kwendege dzeNorth Korea, uye chikwata cheASA chakarasikirwa nechokuita, ASA yakadana varwi, asi EC-121M haina kuzomboratidzwazve pa radar. Varume vechikwata 31 vakarasika. 