4 ms·
I've never been in the military, not a sub-mariner, 1000% SOSUS could detect that. SOSUS could detect that in the 1970s, if not earlier.
by jprd 3y ago
I've never been in the military, not a sub-mariner, 1000% SOSUS could detect that. SOSUS could detect that in the 1970s, if not earlier.
- jprd 3y agohttps://archive.is/pSpem https://archive.is/pSpem