Theirlocationmakestherampartsparticularlyvaluable.

Their location makes the ramparts particularly valuable.

12ThentheSpiritliftedmeup,andIheardbehindmethevoiceofagreatrushing,saying,"BlessedbetheLORD'sgloryfromhisplace."

12 Then the Spirit lifted me up, and I heard behind me the voice of a great rushing, saying, "Blessed be the LORD's glory from his place."

Thenitwouldbelikeiftheydonotchange,theyarenotworthasmuchtolive.

Then it would be like if they do not change, they are not worth as much to live.

Thesurprisedoesnotendwell,becauseSeaHelpbasesarealreadyworkingcloselywiththegovernmentsinvolved,sothatalreadyhavealongtermtrustworthyrelationshiphasgrown.
The surprise does not end well, because SeaHelp bases are already working closely with the governments involved, so that already have a long term trustworthy relationship has grown.