Episode 2 was released today, absolutely hilarious. If you haven't played Muvluv Alternative you probably shouldn't watch this though, it spoils one of the major events.
Spoiler for episode 2 and some Muvluv Alternative:
Click the picture for a bigger version
This was the self destruct button for the mechs in Muvluv Alternative
If you were wondering about Haruka's combat suit this one might give a better explanation.
The two persons grinning at the end were Yuko and Kasumi from Muvluv.