GAC Defense help

[ember isle]

What teams can I put on defense? I usually put Geos, Bounty Hunters and whatever, but I often also need extra firepower and the bhs are one of my best squads. Plz help. Huge thank you in advance to anyone who helps
https://swgoh.gg/p/566185189/

[open barn]

If you can't spare force to defend and attack, focus on attack, that's how everyone starts