Iran feared Reagan

Because the Republicans and Iran cut a secret deal to hold on to the hostages to ensure Ray-Gun's election. The GOP's biggest fear was the release of the hostages before the election.

Coulda swore that the peanut farmer botched the attempt to rescue the hostages.
And there was no way in hell Carter would have been reelected after that debacle.
I see the same results in 2024.

How did he botch it, by not checking the Doppler Radar for the landing area 2 minutes before they crashed in a sudden windstorm?

Meanwhile, what did Reagan do, look like he was gonna go blow up Qhaddafi's two pet camels if he got elected?

peace through strength

As Mini already referred to, Cowboy Ronny cut a deal with the Ayatollahs to hold the hostages till Carter was out.

The deal? Bonzo's bed buddy would then supply them with arms that had been suspended by Carter.
Iran-Contra not come across your reading on the topic? Look it up.
Oh, and look up its connection the the Crack Epidemic this miscreant started.

And of course he always had an answer