Correct, the RAG for that TMS, as well as AH-1W is at HMT-303 located in Camp Pendleton.
There are HMLA's: -167, -169, -267, -269, -367, -369
HMLA-167 and HMLA-269 are located in New River, the others are located in Camp Pendleton.
The west coast squadrons are on a regular 6-month UDP...