Tug Admiral assisting BBC Delaware. Admiral is usually working Los Angeles Harbor but seems to be filling in for the Crowley tug Scout.
Info from tugboatinformation.com:
Vessel Name: ADMIRAL
USCG Doc. No.: 1063748
Vessel Service: TOWING VESSEL
IMO Number: 9188544
Call Sign: WCY6529
Hull Material: STEEL
Hull Number: 128
Ship Builder: NICHOLS BROS BOAT BLDRS
Year Built: 1998
Length: 96.7
Hull Depth: 15
Hull Breadth: 36
Gross Tonnage: 275
Net Tonnage: 187
Owner:
VESSEL MANAGEMENT SERVICES INC
9487 REGENCY SQUARE BOULEVARD
JACKSONVILLE, FL 32225-8126
Hailing Port: SAN FRANCISCO, CA
Previous Vessel Names: CAPTAIN