1971-1978 - Coastal River Squadrons

Coastal River Squadron -1

Coastal River Squadron - 2

Coastal River Division  - 11

Coastal River Division  - 12

Coastal River Division  - 20

Coastal River Division - 21

Coastal River Division  - 13

Mobile Support Team - 3

Coastal River Division - 22

Coastal River Division - 24

CRD-20 was located at Little Creek Va. It was an active duty unit tasked with SEAL support Operations and deployed to Europe and Atllantic operations. It's craft were PTFs, PBMKIIIs and PLs Both 20 and CRD-24 served together and called the themselves the COS.