Ruckus' average position relies on what legendary card he picks. If he has Recycler, he'll often be to the side of the objective, if he has Flux Generator he'll usually be on the objective. If he has Aerial Assault he may be above your team.

While you may be able to see Seris through her stealth when you have her bounty, you can not shoot her while she is in her stealth.

Inara has very little options when trying to deal with an arial attack. Float above her when trying to eliminate her.

You can throw your frag grenade over or around Fernando's shield to damage enemies behind him.