Fog of War - S3-E13
Visible crew/equipment: When Trent is approaching the door you can see a GoPro attached to the barrel of his rifle, on the left side of the weapon. (00:08:13)
All Along the Watchtower: Part 2 - S3-E6
Visible crew/equipment: When they walk through the hallway towards the second building, a crew member can be briefly seen.
Answer: They should be wearing balaclavas. They do such operations usually on foreign soil.