But there are VLF antennas that Ohio-class submarines have to receive low-data-rate comms while submerged.
Any reasonable communications have to be made while at periscope depth. (Which is subtly different than "having to surface"... at PD just the thin mast is out of the water.)
But there are VLF antennas that Ohio-class submarines have to receive low-data-rate comms while submerged.
Any reasonable communications have to be made while at periscope depth. (Which is subtly different than "having to surface"... at PD just the thin mast is out of the water.)