On this date in 1972, Landsat 1 (then known as the Earth Resources Technology Satellite) was launched from Vandenberg Air Force Base. Landsat 1 was in operation until 1978. In the past three and a half decades, Landsat 1 has been succeeded by Landsats 2, 3, 4, 5, and 7… making today the 35th year of continuous Landsat satellite operations.

Webinar Recording Available: Advancing Science Capabilities with Data Harmonization & NASA’s Harmonized Landsat Sentinel-2 (HLS) Products
This webinar provides an introduction to HLS data, services, and tools and shows you how to find resources to work with the data; visualize, search for, and access the data through NASA Worldview and Earthdata Search; it also demonstrates how to use the Fire Information for Resource Management System (FIRMS) tool to visualize HLS data to monitor fires and floods.