Here are a few ways to rewrite the title in Swedish, depending on the tone you want (formal news vs. more direct):

Most natural and standard news headline:

Iranska revolutionsgardet uppger sig ha attackerat USA:s militära mål i Jordanien.

(Translation: The Iranian Revolutionary Guard claims to have attacked US military targets in Jordan.)

More literal and shorter:

Iranska revolutionsgardet säger att de attackerat amerikanska militära mål i Jordanien.

(Translation: The Iranian Revolutionary Guard says it attacked American military targets in Jordan.)

More formal/neutral (using ”angripit” instead of ”attackerat”):

Revolutionsgardet: Vi har angripit USA-mål i Jordanien.

(Translation: The Revolutionary Guard: We have struck US targets in Jordan.)

The first option is generally the most common phrasing used in Swedish media for this type of report.