Black Diamond Forward check with Black Diamond Main on Iridium voice.

Logged more activity with Dead Beat 10 conducting a line check. Station identified as Dead Beat with Bravo Company, 1st Recon, which should be based out of Camp Pendleton, California.

Clear comms from USS Chosin for a sat check before asking to go secure.

Omaha 99 attempting contact with Fox One Romeo. I didn’t think CBP used that callsign anymore, so I am not sure who it is? 

Brief comms check from Ghost 11 calling Ghost 5 on Iridium voice.

USS Gridley as they were attempting secure voice comms on Iridium.

Southwest Airlines preflight briefing on Iridium voice and talking about the flight crew being allowed to download the Flightradar24 app for use in-flight.

U.S. ship activity on Iridium voice with some brief talk about crypto settings and someone attempting contact with USS Montgomery.

US military units Charlie One Romeo and Charlie 37 with Iridium voice comms regarding “multiple gunshot wounds, 2 bilateral tourniquets, CASEVAC Wounded Eagle…” appears to be some type of training exercise but quite interesting.

US military units “Sunrise 2” and “Sunrise Actual” on Iridium voice.

Caught a few more tactical comms from these units. Sounds like they may be up on HF as well, so I will be keeping an ear out for them.