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In 1987, it began doing business under the name Sentry Group, in order to better identify the company with its trademark name safes — "Sentry". Sentry Group produces more fire-resistant chests, safes, security storage containers, and gun safes than any other company in the world [ citation needed ] and has won several awards, including ...
A fire-resistant safe is a type of safe that is designed to protect its contents from high temperatures or actual fire. Fire resistant safes are usually rated by the amount of time they can withstand the extreme temperatures a fire produces, while not exceeding a set internal temperature, e.g., less than 350 °F (177 °C).
A grip safety is a lever or other device situated on the grip of a firearm which must be actuated by the operator's hand, as a natural consequence of holding the firearm in a firing position, in order for the firearm to fire. [2]
The Sentry, a PGA Tour golf tournament. Picket (military) or sentry, one or more soldiers stationed on guard duty; The Sentinel, also known as The Sentry; The Sentry (organization), merger of Not on Our Watch; The Sentry, a 1654 painting by Carel Fabritius "Sentry" (short story), a 1954 short story by Fredric Brown
Phalanx automated turret, mounted on USS Denver. A sentry gun is a weapon that automatically aims and fires at targets that are detected by sensors. The earliest functioning military sentry guns were the close-in weapon systems point-defense weapons, such as the Phalanx CIWS, used for detecting and destroying short range incoming missiles and enemy aircraft, first used exclusively on naval ...
When sentries are relieved by their replacements, the sentry stationed at the Guardhouse, designated "No. 1", is conventionally relieved first. [ 5 ] [ 6 ] Modern guardhouses are manufactured with welded, galvanized steel construction, insulated, include heat and light, have 360 degree visibility, and can also be bullet resistant.
The E-3 Sentry's airframe is a modified Boeing 707-320B Advanced model. Modifications include a rotating radar dome , uprated hydraulics from 241 to 345 bar (3500–5000 psi) to drive the rotodome, [21] single-point ground refueling, air refueling, and a bail-out tunnel or chute. A second bail-out chute was deleted to cut mounting costs.
USS Sentry (MCM-3), an Avenger-class mine countermeasures ship, is the second U.S. Navy ship of that name. Sentry was laid down on 8 October 1984 by Peterson Builders in Sturgeon Bay , Wisconsin ; launched on 20 September 1986 and commissioned on 2 September 1989.