Attention military history buffs: Ukraine’s bold and clever drone strikes on Russian airbases exposed how vulnerable U.S. military bases are to similar attacks, experts agree. But the U.S. really didn’t need Ukraine to prove the point about the effectiveness of cheap weapon systems in the hands of scrappy underdogs. The Houthis just taught the U.S. Navy a hard lesson or two on that score, the WSJ reports. It’s a pretty amazing David-vs-Goliath story – and we were Goliath.