Ark: in the Tabernacle--Called the Ark of the Covenant: On Special Occasions Carried by Priests: Crossing Jordan
Source: Nav
Joshua 3:6, 14
And he said to the priests, “Take the ark of the covenant and go on ahead of the people.” So they carried the ark of the covenant and went ahead of them. / So when the people broke camp to cross the Jordan, the priests carried the ark of the covenant ahead of them.