C F Campbell
and Z Four, tugs, assisting tank barge, Sixty-Five Roses to move from her mooring at the Port of Benicia, CA, USA

CF Campbell
aka, Crosby Hope, one of two tugs assisting their tank barge, 65 Roses, to move from her mooring at the Port of Benicia, CA, USA, the other tug is Z Four
Call sign - WDC7294
Length - 34.82 meters
Built - 1976
Hailing Port - Wrangell, AR

Z Four
one of two tugs helping tank barge 65 Roses
IMO - 9194165
call sign - WDE7715
Length - 87.7 ft
Built - 1999
Hailing port - Wilmington, DE