An apparatus for assessing and/or measuring the capability of at least two different situational awareness sensors , wherein the at least two situational awareness sensors comprise at least two of a lidar sensor , a camera , a thermographic camera or a night vision camera ; wherein the apparatus has a face having at least two areas formed of at least two different materials, wherein the at least two materials have reflectivity spectra that differ from each other with respect to at least one wavelength or at least one wavelength range within the infrared, visible and/or ultraviolet electromagnetic radiation range, the at least two areas thereby being configured to reflect incident electromagnetic radiation within the infrared, visible and/or ultraviolet range to the at least two sensors, at least a part of the reflected electromagnetic radiation being detectable by the at least two sensors, characterized in that the at least two different materials have thicknesses of at least 0.5 mm; and wherein the apparatus has a face having at least three areas formed of at least three different materials, wherein the at least three materials have reflectivity spectra that differ from each other with respect to at least one wavelength or at least one wavelength range within the infrared, visible and/or ultraviolet electromagnetic radiation range, the at least three areas thereby being configured to reflect incident electromagnetic radiation within the infrared, visible and/or ultraviolet range to the at least two situational awareness sensors , at least a part of the reflected electromagnetic radiation being detectable by the at least two sensors; the apparatus is suitable for assessing and/or measuring the capability of at least three situational awareness sensors comprising a night vision camera and at least two of a lidar sensor , a camera and a thermographic camera ; and wherein at least one of the at least three materials is configured to reflect electromagnetic radiation of a wavelength range and at an intensity that is detectable by the night vision camera. wherein the apparatus has a face having at least two areas formed of at least two different materials, wherein the at least two materials have reflectivity spectra that differ from each other with respect to at least one wavelength or at least one wavelength range within the infrared, visible and/or ultraviolet electromagnetic radiation range, the at least two areas thereby being configured to reflect incident electromagnetic radiation within the infrared, visible and/or ultraviolet range to the at least two sensors, at least a part of the reflected electromagnetic radiation being detectable by the at least two sensors, characterized in that the at least two different materials have thicknesses of at least 0.5 mm; and wherein the apparatus has a face having at least three areas formed of at least three different materials, wherein the at least three materials have reflectivity spectra that differ from each other with respect to at least one wavelength or at least one wavelength range within the infrared, visible and/or ultraviolet electromagnetic radiation range, the at least three areas thereby being configured to reflect incident electromagnetic radiation within the infrared, visible and/or ultraviolet range to the at least two situational awareness sensors , at least a part of the reflected electromagnetic radiation being detectable by the at least two sensors; the apparatus is suitable for assessing and/or measuring the capability of at least three situational awareness sensors comprising a night vision camera and at least two of a lidar sensor , a camera and a thermographic camera ; and wherein at least one of the at least three materials is configured to reflect electromagnetic radiation of a wavelength range and at an intensity that is detectable by the night vision camera. <EOS>