Check dead drop is an objective in the Story Mission, Going Rogue in Borderlands 3
- Head to the South over the nearby ledge out of the Rigs.
- Dropped from there, head to the East past the nearby ledge.
- Go to the Eastern side of the area bordering the Rigs.
- You will see a New-U with a Blue Mailbox nearby.
- Look at the Blue Mailbox using the Rogue-Sight to find the Rogue Marker.
- Shoot the marker to reveal the true form of the mail box.
- Go over to it after hitting the marker to reveal the needed Quietfoot Dead Drop.