Keywords: Helicopter Sea Combat Squadron 9 (US Navy) insignia 2016.png en Insignai of the United States Navy Helicopter Sea Combat Squadron 9 HSC-9 Tridents Official U S Navy insignia http //www public navy mil/airfor/hsc9/PublishingImages/HSC-9-Patch GIF from the http //www public navy mil/airfor/hsc9/Pages/default aspx HSC-9 website U S Navy 2016 PD-USGov-Military-Navy PD-USGov-Military-Badge Helicopter Sea Combat Squadron 9 United States Navy United States Navy helicopter sea combat squadron emblems 009 |