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

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...

North Sentinel Island is one of the Andaman Islands, an Indian archipelago in the Bay of Bengal which also includes South Sentinel Island. The island is...

also known as the Sentineli and the North Sentinel Islanders, are an indigenous people who inhabit North Sentinel Island in the Bay of Bengal in the northeastern...

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...

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

(AC) Squadron deployed two Sentinel R1s to RAF Akrotiri, Cyprus, in support of Operation Shader. In July 2017, Sentinel R.1 ZJ693 was withdrawn from use...

the: Boeing E-3D Sentry AEW.1; Raytheon Sentinel R.1; Hawker Siddeley Nimrod R.1, MR.2 and BAE Systems Nimrod MRA.4. On 1 February 2018, all (Reserve)...

The Sentinel-class cutter, also known as the Fast Response Cutter or FRC due to its program name, is part of the United States Coast Guard's Deepwater...

South Sentinel Island is one of the Andaman Islands in the Bay of Bengal. It is 1.6 km (1 mi) long northeast to southwest and up to 1 km (5⁄8 mi) wide...