You're going to extremes to excuse Acosta's very wrong opinion he shared as a, ha, "journalist".
An "attempted invasion" was D-Day.
Yes that was a successful MILITARY invasion.
Nobody ever said it was a military invasion of our country. But that's what Acosta wants the public to believe was Trumps claim. Acosta is NOT a journalist.
in·va·sion
an incursion by a large number of people or things into a place or sphere of activity.
"stadium guards are preparing for another invasion of fans"
synonyms: influx, inundation, flood, rush, torrent, deluge, avalanche, juggernaut
"an invasion of tourists"