Sub locations are top secret, so if it's a ruse, we'll never know. I have a sneaky suspicion that if they are really nearing Russia, it's for a "rescue" missio

Sub locations are top secret, so if it's a ruse, we'll never know. I have a sneaky suspicion that if they are really nearing Russia, it's for a "rescue" mission. Only a wild guess. Does anyone know how much weight a drone can carry?