Looking for Clarification...

I've been thinking about this report for a few days, and finally determined that I simply can't make heads or tails of it. Mainstream media reporting about war games is almost always terrible, because it rarely includes the context of the game, the rules, and so forth. Defense Tech should really endeavor to do better than that:

A recent Pentagon war game that ran the Navy’s new Littoral Combat Ship through simulated combat in the Gulf didn’t unfold quite as expected, according to participants. The LCS is custom built with the Gulf combat environment in mind: narrow and congested waters, a wide range of low-end threats from sea mines and swarms of fast attack craft to higher-end air-breathing submarines.

The key to the LCS performing as the Swiss Army knife of the battle fleet is the ship’s interchangeable mission modules. While the “plug-and-fight” mission modules sound like a good idea by providing a range of flexibility within a single hull, the simulated Gulf exercises revealed some potential real-world shortcomings with the LCS concept.

The war game featured the trouble-making Iranian Revolutionary Guard Corps navy sending out swarms of fast-attack craft to muck it up with a half dozen LCSs. The LCSs, equipped with the surface warfare mission module which includes the ship’s integral 57mm cannon, a pair of 30mm rapid fire cannons, vertically launched missiles and armed helicopters, were able to beat back the Iranian small boat attack.

Seeing their small boat swarm shot-up, the Iranians dispatched a bunch of small, air-breathing submarines to attack the LCS flotilla. The LCSs were forced to steam down to Diego Garcia to switch out the surface warfare modules with the anti-submarine warfare packages. That scenario repeated itself every time the Iranians changed up their attack and wrong-footed the LCS flotilla.

My first question, and it appears from the comment section that this occurred to many people, is why the entire flotilla would switch between ASW and surface warfare packages. Sending a force capable of meeting both threats would seem to be the only responsible policy. I've got to assume, therefore, that the report isn't giving us some key details about how the simulation was run.