Patriot-3: That can't be right, can it?

Factual Questions
1

Yahoo/Reuters ran a picture of a Patriot Advanced Capability-3 (PAC-3) missile launch this morning.
In addition to the blast emerging from the tail of the missile, there’s a big sideways fiery plume coming from well up towards the front of the missile.
Is that normal for these things? If so, what’s it for?

2

This photo shows it too. Maybe it’s a vernier rocket (small rocket engine used for control)?

3

It’s the firing of a missile ACM (attitude control motor). The PAC-3 missile has a set of small solid-fuel rocket motors on its midsection that are used to improve the maneuverability of the missile. The Dragon anti-tank missile had something similar, a bunch of small solid-fuel rocket motors that were embedded in the skin of the missile, which made it look like a rabbit as it “hopped” downrange.

4

I can see how it’d look that way. Judging from the size of the flame, the Patriot must jink right smartly too.
Thanks.