1 Corinthians 10:1-2

For I do not want you to be unaware, believers, that our fathers were all under the cloud [in which God’s presence went before them] and they all passed [miraculously and safely] through the [Red] Sea; [Ex 13:21; 14:22, 29] And all [of them] were baptized into Moses [into his safekeeping as their leader] in the cloud and in the sea