Apparently here is the old screen.
https://mobile.twitter.com/CivilBeat...26autosize%3D1
They selected the one (PACOM) two lines above the PACOM DRILL, and then did confirm it.
Certainly could use any number of visual/formatting enhancements to make it a little more obvious. Nevermind some secondary verification before the message goes through.
That said, other stories say that not all mobile phones got the alert, so likely however that happened (either carriers not supporting or blocking messages, hardware makers not having functionality, or users blocking these messages) this will probably allow that issue to be solved in the future too.