From my personal logs, Trond Jacobsen (via UDXF) and a couple of anonymous contributors,
here are some more VLF military frequencies to keep an eye out for.
20.27 kHz NATO ICV-Isola di Tavolara, Italy STANAG 5030 MSK
20.50 kHz Russian Navy RJH63-Krasnodar N0N/A1A Morse ID
20.50 kHz Russian Navy RJH69-Vileeyka N0N/A1A Morse ID
20.90 kHz French Navy HWU-Le Blanc PSK 200/200 encrypted
23.00 kHz Russian Navy RJH63-Krasnodar N0N/A1A Morse ID
23.00 kHz Russian Navy RJH69-Vileeyka N0N/A1A Morse ID
23.40 kHz German Navy DHO38-Satherland-Ramsloh PSK 200/200 encrypted
25.00 kHz Russian Navy RAB99-Pokravka N0N/A1A Morse ID
25.00 kHz Russian Navy RJH63-Krasnodar N0N/A1A Morse ID
25.00 kHz Russian Navy RJH66-Chaldovar N0N/A1A Morse ID
25.00 kHz Russian Navy RJH69-Vileeyka N0N/A1A Morse ID
25.20 kHz USN NML4-La Moure, ND STANAG 5030 MSK
27.30 kHz Russian NavyF1B T600/Bee 36-50
583.0 kHz Russian Navy RMP-Kaliningrad A1A Morse ID
