The two sides were locked in a battle for control of Pokrovsk, in Ukraine’s eastern Donetsk region where Ukraine says Russia has assembled 170,000 troops.
Unmanned FPV motherships are on the rise, as operators face an intense cat-and-mouse game on frequency jamming and exploiting momentary vulnerabilities.
Officials have taken an “integrated approach” to orchestrating the two programs, from freshening up legacy submarines to receiving nuclear-powered boats.
Experts agreed if the U.S. resumed full nuclear weapons tests, other nations would do the same — giving them a chance to catch up on nuclear knowledge.