An apparatus ( 10 ) for locating a subject is disclosed the apparatus includes an illumination/detection module ( 12 ) containing a source in this case a high-power laser ( 14 ) capable of radiating light at a wavelength in the infrared portion of the em spectrum. The optical output of the laser ( 14 ) is directed by beam-splitter (BS) ( 16 ) and lens ( 20 ) towards the rescue scene and a plurality of absorbers responsive to the said source disposed on the subject ( 22 ). The detection section of module ( 12 ) then collects signals radiated emitted by a plurality of emitters associated with the subject said emitters being associated with the absorbers.
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