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The Lockheed P-3 Orion is a four-engined, turboprop anti-submarine and maritime surveillance aircraft developed for the United States Navy and introduced in the 1960s. Lockheed based it on the L-188 Electra commercial airliner; it is easily distinguished from the Electra by its distinctive tail stinger or "MAD" boom, used for the magnetic anomaly detection (MAD) of submarines.
In March 1969 one platoon of the 69th Armor Regiment's 1st Battalion, Company B under Captain John P. Stovall was stationed at Ben Het, equipped with M48 Patton tanks. Three of the four tanks took up dug-in positions on a hill facing west towards Cambodia, while the last tank occupied a firing position guarding the left flank overlooking the ...
1,177 (total) [ 1] Variants. Kawasaki P-2J. The Lockheed P-2 Neptune (designated P2V by the United States Navy prior to September 1962) is a maritime patrol and anti-submarine warfare (ASW) aircraft. It was developed for the US Navy by Lockheed to replace the Lockheed PV-1 Ventura and PV-2 Harpoon, and was replaced in turn by the Lockheed P-3 ...
The research has shown that except the price, the most relevant factors affecting the willingness to pay for the relatively expensive plug-in electric vehicles are: better fuel-efficiency (CZK 52,000 more on average for a reduction in operating costs of CZK 1 per 1 km for a new car), increase in driving range (CZK 28,000 more on average for an ...
In number theory, the partition function p(n) represents the number of possible partitions of a non-negative integer n. For instance, p(4) = 5 because the integer 4 has the five partitions 1 + 1 + 1 + 1, 1 + 1 + 2, 1 + 3, 2 + 2, and 4 . No closed-form expression for the partition function is known, but it has both asymptotic expansions that ...
Euler product. In number theory, an Euler product is an expansion of a Dirichlet series into an infinite product indexed by prime numbers. The original such product was given for the sum of all positive integers raised to a certain power as proven by Leonhard Euler. This series and its continuation to the entire complex plane would later become ...
Bell P-63 Kingcobra. Bell P-76. The Bell P-39 Airacobra is a fighter produced by Bell Aircraft for the United States Army Air Forces during World War II. It was one of the principal American fighters in service when the United States entered combat. The P-39 was used by the Soviet Air Force, and enabled individual Soviet pilots to score the ...
The underbelly of an AP-3C. The Lockheed AP-3C Orion is a variant of the P-3 Orion used by the Royal Australian Air Force (RAAF) for tasks such as naval fleet support, maritime surveillance, search and survivor supply and anti-surface and anti-submarine warfare. They are fitted with a variety of sensors.