ˌɔn ˈeɪpɹəl sˈɪkstiːn, nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈaɪv, ðə jˈuː.ˈɛs. spˈɛʃəl fˈoːɹsᵻz ˌɛsˈɛf bˈiː θˈɜːɾi fˈoːɹ dɪtˈætʃmənt wʌz sˈɛnt tə sˈɔŋ bˈeɪ tə ɹˌiːɪnfˈoːɹs ðɪ ˈɑːɹvən fˈoːɹsᵻz, dʒˈɔɪnɪŋ ɐn ɛɡzˈɪstɪŋ mˈækv tˈiːm hɛdkwˈɔːɹɾɚz ɪnðə tˈaʊn.
On April 16, 1965, the U.S. Special Forces SF B-34 Detachment was sent to Sông Bé to reinforce the ARVN forces, joining an existing MACV team headquarters in the town.