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In the next picture what are the items circled in red?
Photographed by Adrian Pingstone in August 2002 and released to the public domain.
The forward ones are a ram air inlet (NACA duct) for the Environmental conditioning System (ECS) and what looks like an antenna. The aft one is an exit louver for the ECS.
The forward inlets are air inlets for the air conditioning and pressurisation.
I am not sure of the after ringed area.