Dee ihe ga-aga n'ihu na paragraf a - N'April 1975, ka ọ na-efega mwakpo megide ndị North Vietnamese, a gbara egbe mgbochi ụgbọelu ya A-37 ọkụ. N'otu ọnwa ahụ, e weghaara obodo Saigon
site na ndị agha North Vietnamese, nke gosipụtara njedebe nke Agha Vietnam na ọdịda nke South Vietnam.