Sydney Harbour, between Cremorne (Robertsons) Point and Garden Island. 27 July 2016.
Welcome to TENACIOUS
Vessels near 33°51'15.23" S 151°13'49.00" E

Left to right:

1874 Tall Ship JAMES CRAIG
For details of remarkable history see http://www.shf.org.au/explore-the-fleet/our-operational-vessels/james-craig-1874-tall-ship/

Tug FERN BAY, Official Number 355066, Status General Register
Length(m) 13.70, Year Completed 1971, Type Tug, Home Port Sydney

Tug SHIRLEY SMITH IMO number : 8618982
Gross tonnage : 156, Year of build : 1987, Flag : Australia
Emergency Response vessel, used for welcoming ceremonies

TENACIOUS see http://www.shipspotting.com/gallery/photo.php?lid=2502000