Sentry or The Sentry may refer to: Comics Sentry (Kree) Sentry (Curtis Elkins) Sentry (Robert Reynolds) Senator Ward (comics) or Sentry Vehicles Sentry (AUV), an autonomous underwater vehicle used to measure deep-ocean data E-3 Sentry AWACS, airborne early warning aircraft Lancair Sentry, American kit aircraft Other uses Picket (military) or sentry, one or more soldiers stationed on guard duty The Sentinel (video game), also known as The Sentry The Sentry (organization), merger of Not on Our Watch The Sentry (Fabritius), a 1654 painting by Carel Fabritius "Sentry" (short story), a 1954 short story by Fredric Brown Sentry (monitoring system), an automatic near-Earth asteroid collision monitoring system Sentry Foods, a chain of grocery stores in Wisconsin, United States Sentry Insurance, a Wisconsin-based insurance company Sentry Island, Nunavut, Canada Sentry Siren, a brand of civil defense sirens See also General Orders for Sentries Nissan Sentra Sentinel (disambiguation) Guard (disambiguation) SENTRI Sentry gun, a gun that automatically aims and fires at targets SentrySafe, a safe manufacturing company headquartered in Rochester, New York Soviet frigate Storozhevoy Travel Sentry