User blog comment:Darkcloud1111/''The Mark of Athena'' Plot Holes/@comment-4515675-20121021160447/@comment-3146930-20121021165629

That is actually the least of their problems, as the stables could have been used to maybe carry regular horses or something. Leo apprently installed in the ship with "cushy recliners with thousand-finger massage, built-in headphones, and sword and drink holders for all your demigod kicking-back needs." So what happened to being on a tight schedule? The Argo II is mentioned a few times to have similar things on board.

As far as warning Chiron, they say at first that they sent him a Dream vision, but change it to an Iris Message later