Deuteronomy 25:17-18
Treatment of the Amalekites
25:17 Remember what the Amalekites did to you on your way from Egypt,
25:18 how they met you along the way and cut off all your stragglers in the rear of the march when you were exhausted and tired; they were unafraid of God.
Joshua 6:9
6:9 Armed troops marched ahead of the priests blowing the horns, while the rear guard followed along behind the ark blowing rams’ horns.
Isaiah 52:12
52:12 Yet do not depart quickly
or leave in a panic.
For the Lord goes before you;
the God of Israel is your rear guard.
Isaiah 58:8
58:8 Then your light will shine like the sunrise;
your restoration will quickly arrive;
your godly behavior will go before you,
and the Lord’s splendor will be your rear guard.