Iam attacking AZO with;
Attacker: 3 FTR 1 BMB 1 SUB
Defender: 2 FTR 1 DD 1 AC
After the first roll, 3-2
I wonder, am I allowed to sacrifice 2 air units ie ftr and bmb (now remaining 2ftrs and the sub) and
then retreat ONLY air. Keeping only sub in the battle.