Editing Lockheed P-3 Orion (section)

==Variants==
{{Main|P-3 Orion variants}}
[[File:JMSDF UP-3C Orion.jpg|thumb|A [[Japan Maritime Self-Defense Force]] Lockheed UP-3C Orion #9151]]
Over the years, numerous variants of the P-3 have been created. A few notable examples are:

*'''[[Lockheed WP-3D Orion|WP-3D]]''': Two P-3C aircraft as modified on the production line for [[National Oceanic and Atmospheric Administration|NOAA]] [[weather research]], including [[Hurricane Hunters|hurricane hunting]].
*'''[[Lockheed EP-3|EP-3E Aries]]''': 10 P-3A and 2 EP-3B aircraft converted into [[ELINT]] aircraft.
*'''[[Lockheed EP-3|EP-3E Aries II]]''': 12 P-3C aircraft converted into ELINT aircraft.
*'''[[Lockheed AP-3C Orion|AP-3C]]''': [[Royal Australian Air Force]] P-3C/W aircraft which have been extensively upgraded by [[L-3 Communications]] with new mission systems, including an Elta SAR/ISAR [[radar]] and a [[General Dynamics]] Canada acoustic processor system.
*'''[[Lockheed CP-140 Aurora|CP-140M Aurora]]''': [[wikt:long-range|Long-range]] [[maritime reconnaissance]], [[anti-submarine warfare]] (ASW) aircraft for the [[Canadian Forces]]. Based on the P-3C Orion airframe, but mounts the more advanced electronics suite of the [[Lockheed S-3 Viking]]; 18 built
*'''[[Lockheed CP-140 Aurora|CP-140A Arcturus]]''': Three P-3s without ASW equipment for CP-140 Aurora crew [[training]] and various [[Maritime patrol|coastal patrol]] missions.
*'''[[Lockheed P-7|P-7]]''' proposed new-build and improved variant as a P-3 Orion replacement later canceled.
*'''Orion 21''' proposed new-build and improved variant as a P-3 Orion replacement; lost to the [[Boeing P-8 Poseidon]].
*'''P-3K2''': [[Royal New Zealand Air Force]] Six P-3K2 aircraft which have been fully upgraded with totally new mission systems by [[L-3 Mission Integration Division]], [[Greenville, Texas]]. The flight deck now has 'glass' instrumentation and navigation computer automation. The Tactical Rail (Tacrail) has been completely refitted with modern sensors, communication and data management systems.