Sentinel-1 is the first of the Copernicus Programme satellite constellation conducted by the European Space Agency. This mission was originally composed...

The Sentinels are a group of mutant-hunting robots appearing in American comic books published by Marvel Comics. They are typically depicted as antagonists...

The mission currently operates two satellites, Sentinel-2A and Sentinel-2B; a third satellite, Sentinel-2C, is undergoing testing in preparation for launch...

Look up Sentinel or sentinel in Wiktionary, the free dictionary. Sentinel may refer to: Mount Sentinel, a mountain next to the University of Montana in...

The Stinson L-5 Sentinel is a World War II-era liaison aircraft used by the United States Army Air Forces (USAAF), U.S. Army Ground Forces, U.S. Marine...

Prime Sentinels are an advanced type of fictional Sentinel appearing in American comic books published by Marvel Comics. They are depicted as a humans-turned-cyborgs...

The Sun Sentinel (also known as the South Florida Sun Sentinel, known until 2008 as the Sun-Sentinel, and stylized on its masthead as SunSentinel) is the...

Sentinel-1A is a European radar imaging satellite launched in 2014. It is the first Sentinel-1 satellite launched as part of the European Union's Copernicus...

development of Sentinel missions 1, 2, 3, 4, 5 and 6 with each Sentinel mission consisting of at least 2 satellites and some, such as Sentinel 1, 2 and 3,...

Sentinel-1B is a European radar imaging satellite launched on 25 April 2016. It is the second of two original satellites in the Sentinel-1 constellation...