The P-3 Orion is powered by four T-56 turboprops which give it a speed ideal for antisubmarine warfare work, of maritime surveillance, counter-drug and search-and-rescue missions. The P-3 has an internal bomb bay, as well as underwing stations which can carry missiles such as the AGM-84 Harpoon. It has a characteristic long stinger in the tail which houses the magnetic anomaly detector. The first version, flew in 1961 w with over 750 built.

The P-3 is slated for replacement after 2010 in the USA by the P-8 Poseidon, however 17 other countries will continue to operate the aircraft through life extension programs. The Lockheed CP-140 Aurora is a Canadian Forces airtime patrol aircraft version, and incorporates the more advanced electronics suite of the S-3 Viking. Aurora is the Greek goddess who restored Orion's eyesight.

MHD a Lockheed Certified parts distributor provides a multitude of Logistics Support for Operators and Repair Stations, including:

• - Spare parts (Hologram, new,
  surplus & overhauled)
• - 100,000 line items in stock
• - Repair and Overhaul of rotables (landing
  gear, boost packs, APUs, INUs, etc.)
• - Ground support Equipment (engine stands,
  propeller containers )
• - Exchange or Lease/buy programs for major
  rotables items