 Launched in February 2013, the Landsat-8 carries onboard the thermal infrared sensor, TIRES, a two-band thermal push-broom imager. The TIRES bands are centered at roughly 10.9 and 12 micrometers, bands 10 and 11 respectively, they have 100m spatial resolution and image coincidentally with the operational land imager, OLI. This article was authored by Julia A. Barsi, John R. Schott, Simon J. Hook and others.