Bazinga! Obligatory drawings follow.
Considering the situation in the area of the East China Sea I figure replacing the ECS garrison (transitioning might be a better word) with a reinforced CSG and AAG comprising of the following vessels.
Carrier Strike Group 1 (Reinforced)
CVN - R-33 HMAtS Andarta + Embarked Air Wing
CV - R-27 HMAtS Ancamna + Embarked Air Wing (Attached to CSG-1)
CVS - R-31 HMAtS Titan + Embarked Air Wing (Attached to CSG-1)
DDG - D-222 HMAtS Halite (AAW) (Attached to CSG-1)
DDG - D-218 HMAtS Adamite (ASW) (Attached to CSG-1)
CGC - C-50 HMAtS Black Rock
CGL - C-54 Mount Gesinni
DDG - D-200 HMAtS Obsidian (AAW)
DDG - D-204 HMAtS Amethyst (AAW)
DDG - D-209 HMAtS Amber (GP)
DDG - D-211 HMAtS Malachite (GP)
DDG - D-216 HMAtS Galena (ASW)
DDG - D-217 HMAtS Celestine (ASW)
FFG - F-907 HMAtS Kovar (ASW)
FFG - F-913 Tumbaga (GP)
SSN - S-510 HMAtS Vengance
SSGN - S-501 HMAtS Atlantis
AOE - A-105 HMAtS Lamorak
Amphibious Assault Group 1
LHA - L-1002 HMAtS Tenacious + Embarked Air Wing + Commando Group
LSD - L-1022 HMAtS Tireless
LCS - L-1030 HMAtS Talisman
LCS - L-1031 HMAtS Tantalus
LCS - L-1040 HMAtS Trojan
Naval Support Group 1
AFS - A-108 HMAtS Cador
AOR - A-124 HMAtS Erec
AH - A-111 HMAtS Safir
MCM - A-120 HMAtS Tromaer
FFL - F-939 HMAtS Caraval
STUFT
MS - Herald of Light (RO-RO)
MS - Herald of Sound (RO-RO)
ETA: It should be noted that Andraste is fresh from what should be her final refit before being converted into a commando carrier along with Ancamna.