Dedicated radiation detection payload for the Teledyne FLIR Skyranger R70. The MUNIN sensor is a lightweight radiation detector designed to be mounted on the SkyRanger R70 UAS or alternatively a UGV/Robot for a wide range of applications where radiation detection, measurement, and nuclide identification is needed. This includes environmental surveys, military reconnaissance, Radiological Dispersal or Exposure Device (RDD or RED) detection, hospitals/industry, fire hazards and nuclear power plant emergency response.