 The combination of three satellites Landsat-8, Sentinel-2A, and Sentinel-2B offers improved opportunities for more frequent cloud-free surface observations due to their varying orbit paths and overlapping coverage areas. This combination provides a global median average revisit interval of 2.9 days, with a global median minimum revisit interval of 14 minutes and maximum revisit interval of 7.0 days. This article was authored by Jian Li and David P. Roy.