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   71058
   We propose here a re-observation of the composite type supernova
   remnant Kes~75 (G29.7-0.3). The source is a young (~1,000 yr) object
   with the ``Crab-like'' plerionic core. We believe the source is the
   most promising object to discover a young energetic pulsar. By
   combining the new data with the ASCA PV phase data, we will be able to
   determine the pulsar period and its derivative. We use these papameters
   to construct a quantitative model of the pulsar / supernova remnant
   interaction.
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