SAN JUAN, Puerto Rico​ — A Coast Guard MH-65 Dolphin rescue helicopter aircrew responded to the sinking of the Proassist III tugboat 2 nm off Yabucoa, Puerto Rico, last Thursday, December 24. Sector San Juan watchstanders received a mayday call from the 112-foot tugboat Proassist III crew stating they were taking on water with three Leer másCoast Guard responds to sinking tugboat Proassist III near Puerto Rico[…]