Lockheed EC-121 Warning Star

Lockheed EC-121 Warning Star adalah pesawat pengintai (reconnaissance aircraft) sayap rendah (low wing) dan radar peringatan dini Angkatan Laut Amerika Serikat dan Angkatan udara Amerika Serikat. Sebuah versi militer dari Lockheed Constellation, ia dirancang untuk berfungsi sebagai sistem peringatan dini udara untuk melengkapi Distant Early Warning Line, menggunakan dua buah pemindai, kubah vertikal di atas dan satu horisontal di bawah badan pesawat.

EC-121 juga digunakan untuk pengumpulan intelijen (SIGINT).

Referensi 

 Boyne, Walter J. Beyond the Horizons: The Lockheed Story. New York: St. Martin's Press, 1998. ISBN 0-312-24438-X.
 Breffort, Dominique. Lockheed Constellation: From Excalibur to Starliner, Civilian and Military Variants. Paris: Histoire and Collections, 2006. ISBN 2-915239-62-2.
 Cacutt, Len, ed. “Lockheed Constellation.” Great Aircraft of the World. London: Marshall Cavendish, 1989. ISBN 1-85435-250-4.
 Gargus, John. The Son Tay Raid: American POWs in Vietnam Were Not Forgotten. College Station, Texas: Texas A&M Press, 2007. ISBN 1-58544-622-X.
 Germain, Scott E. Lockheed Constellation and Super Constellation. North Branch, Minnesota: Specialty Press, 1998. ISBN 1-58007-000-0.
 Higham, Robin, ed. Flying American Combat Aircraft: The Cold War. Mechanicsburg, Pennsylvania: Stackpole Press, 2005. ISBN 0-8117-3238-X.
 Marson, Peter J. The Lockheed Constellation Series. Tonbridge, Kent, UK: Air-Britain (Historians), 1982. ISBN 0-85130-100-2.
 Michel, Marshall L. Clashes: Air Combat Over North Vietnam 1965-1972. Annapolis, Maryland: Naval Institute Press, 1997. ISBN 1-55750-585-3.
 Stringfellow, Curtis K. and Peter M. Bowers. Lockheed Constellation: A Pictorial History. St. Paul, Minnesota: Motorbooks, 1992. ISBN 0-87938-379-8.
 Swanborough, Gordon and Peter M. Bowers. US Navy Aircraft Since 1911. Annapolis, Maryland: Naval Institute Press, 1990. ISBN 978-0-87021-792-0.
 Taylor, Michael J.H., ed. “Lockheed Constellation and Super Constellation.” Jane’s Encyclopedia of Aviation. New York: Crescent, 1993. ISBN 0-517-10316-8.
 Yenne, Bill, Lockheed. Greenwich, Connecticut: Bison Books, 1987. ISBN 0-517-60471-X.

Pranala luar 

 National Museum of the United States Air Force
 Airborne Early Warning Association website
 Larry Westin EC-121R Batcat site
 Dean Boys EC-121 page
 Dean Boys 552 AEWCW site
 Willy Victor (WV-2) Page 
 Copy of Time Magazine article, April 25, 1969, on EC-121 shootdown

Pesawat terbang Lockheed
Pesawat intai
Pesawat terbang sayap rendah