The Worst of Conditions - S2-E3
Visible crew/equipment: As the team drives through Mumbai heading down the tunnel you can see the camera man for a brief moment behind the gunner atop the truck.
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.
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)
Answer: They should be wearing balaclavas. They do such operations usually on foreign soil.