Raytheon Sentinel was created in 2008.
Raytheon was created in 1922.
Raytheon Lectron was created in 1967.
The Sentinel - album - was created in 1984.
Gundam Sentinel was created in 1987.
Sentinel - comics - was created in 1965.
The Sleeping Sentinel was created in 1914.
The Sentinel - Pennsylvania - was created in 1861.
Rockhurst Sentinel was created in 1914.
Catholic Sentinel was created in 1870.
The News-Sentinel was created in 1833.
Sentinel Prime was created in 1984.
Raleigh Sentinel was created in 1865.