Open fire, lads! Spots the lights in the wheelhouse. (Those gun positions, like the shrapnel padding and the big gun on the aft deck, were all added later in WWII, along with the more muted colour scheme, because the Luftwaffe kept shooting at our *Rescue
RAF Air Sea Rescue High Speed Launch, with a few extra bits (additional Carley float, couple of extra liferings, rigging and anchor line, and, most importantly: LEDs and Fibre Optics!)
Green starboard light on this side of the wheelhouse - it's a fibre optic strand running up from the LEDs which are all in the hull, and are heatshrunk onto the ends of the fibres.