After the event was made public, the United States Department of Defense clarified that it was either a bomb blast or a combination of natural phenomena, such as lightning, a meteor, or a glint from the Sun.
出来事が公になった後、アメリカ国防総省は出来事は爆弾の爆発または稲妻、隕石、太陽の輝きなどの自然現象の組み合わせのいずれかだと明らかにした。