THIS IS A CONTINUATION PROPOSAL TO MAINTAIN THE CALIBRATION OF THE DEEP SPACE CLIMATE OBSERVATORY (DSCOVR) EARTH POLYCHROMATIC IMAGING CAMERA (EPIC). BASED ON THE EPIC DARK MEASUREMENTS PERFORMED DAILY BY THE SPACECRAFT THE DARK COUNT MAP AND BAD PIXEL LIST WILL BE MAINTAINED. THE LONGER BASELINE EPIC MEASUREMENTS NOW AVAILABLE WILL PERMIT THE EVALUATION OF A POSSIBLE TEMPERATURE DEPENDENCE OF THE DARK COUNT RATES. IF SUCH DEPENDENCE IS IDENTIFIED IT WILL BE INCLUDED IN THE CALIBRATION PROCESS. IN ADDITION CONSULTATION AND ANALYSIS WILL BE PROVIDED TO SUPPORT THE EPIC LEVEL 2 DATA PRODUCTS. FINALLY CALIBRATION AND DATA VALIDATION WILL BE PERFORMED ON THE DSCOVR/NISTAR CAVITY RADIOMETER MEASUREMENTS AND AS THEY RELATE TO CERES AND EPIC MEASUREMENTS. THE PROPOSERS ARE THE WORLD EXPERTS ON THE PERFORMANCE AND CHARACTERISTICS OF THIS SPACE BASED CAMERA AND HAVE PROVIDED THE CALIBRATIONS RESPONSIBLE FOR THE VERY POPULAR DSCOVR EPIC IMAGES. THIS SHORT (10 MONTHS) ADDITIONAL EFFORT WILL IMPROVE THE SCIENTIFIC UTILITY OF THE EPIC AND NISTAR DATA PRODUCTS.