I don't like Bellona as a concept. It's not a bad agenda by any stretch of the imagination nor is it an overly strong agenda. What it is is a ridiculously safe agenda. It's a 5/3 Hyperloop Extension that defends itself. If you can slam it down early enough you can score it on thoughts and prayers alone and the opportunity cost to trying is close to zero with only Film Critic or the rarely-seen Whistleblower really countering it. Either the Corp scores 3 points with zero momentum lost since the Runner didn't contest, the Runner steals Bellona and is down 5 plus however much it took to break the Corp's token defenses, or the Runner is short trying to break in and are now down however much it took to break the Corp's token defenses and the Corp scores 3 points with zero momentum lost. It is the 5/3 I have to compare other 5/3's to in yellow since they're competing against what is often a free and riskless 5/3.
I really don't like Bellona as a concept.