Bottom Left Origin Grid Coordinates
https://geoint.nrlssc.org/nrltileserver/wcs/blorigin?REQUEST=GetCapabilities&VERSION=1.0.0&SERVICE=WCS

Top Left Origin Grid Coordinates (Recommended for ArcGIS)
https://geoint.nrlssc.org/nrltileserver/wcs/tlorigin?REQUEST=GetCapabilities&VERSION=1.0.0&SERVICE=WCS