F-8 Crusader in the Vietnam War

The F-8 Crusader was the last fighter designed for the US Navy that utilized guns as its primary weapon. Entering service in 1957, it saw combat during the Vietnam War both as a fighter and ground-attack aircraft. Variants of the F-8 remained in use with the worlds air forces and navies into the 1990s. Background In 1952, the US Navy issued a call for a new fighter to replace its existing aircraft such as the Grumman F-9 Cougar. Requiring a top speed of Mach 1.2 and landing speed of 100 mph or lower, the new fighter was to utilize 20 mm cannons in lieu of the traditional .50 cal. machine guns. This change was made as studies during the Korean War found that .50 cal. machine guns caused insufficient damage. Among the companies to take up the US Navys challenge was Vought. Design Development Led by John Russell Clark, the Vought team created a new design which was designated the V-383. The aircraft incorporated a variable-incidence wing which rotated 7 degrees during take-off and landing. This allowed the aircraft to achieve a higher angle of attack without affecting the pilots visibility. For this innovation, the design team won the 1956 Collier Trophy for achievement in aeronautics. Clarks variable-incidence wing was mounted high on the aircraft which required the use of light, short landing gear that was housed in the V-383s fuselage.   The V-383 was powered by a single Pratt Whitney J57 afterburning turbojet capable of 18,000 lbs. of thrust at full power. This gave the aircraft a top speed in excess of 1,000 mph and the type would become the first American fighter to achieve such speeds. Unlike future fighters, the V-383s afterburner lacked zones and could only be employed at full power. Responding to the Navys armament requirements, Clark armed the new fighter with four 20 mm cannons. To supplement the guns, he added cheek pylons for two AIM-9 Sidewinder missiles  and a retractable tray for 32 Mighty Mouse FFARs (unguided folding fin aerial rockets). This initial emphasis on guns made the F-8 the last American fighter to have guns as its principal weapons system. Competition Entering the Navys competition, Vought faced challenges from the Grumman F-11 Tiger, the McDonnell F3H Demon (a precursor of the F-4 Phantom II), and the North American Super Fury (a carrier version of the F-100 Super Sabre).  Through the spring of 1953, the Vought design proved its superiority and the V-383 was named the winner in May. The F-11 Tiger also moved ahead to production, though its career proved short due to issues with its J56 engines and the Vought aircrafts superior performance. The following month, the Navy placed a contract for three prototypes under the designation XF8U-1 Crusader. First taking to the skies on March 25, 1955, with John Konrad at the controls, the XF8U-1, the new type performed flawlessly and development progressed rapidly.  As a result, the second prototype and the first production model had their inaugural flights on the same day in September 1955. Continuing the accelerated development process, the XF8U-1 began carrier testing on April 4, 1956. Later that year, the aircraft underwent weapons testing and became the first American fighter to break 1,000 mph.  This was the first of several speed records set by the aircraft during its final evaluations. F-8 Crusader - Specifications (F-8E) General Length: 54 ft. 3 in.Wingspan: 35 ft. 8 in.Height: 15 ft. 9 in.Wing Area: 375 sq. ft.Empty Weight: 17,541 lbs.Loaded Weight: 29,000 lbs.Crew: 1 Performance Power Plant: 1 Ãâ€" Pratt Whitney J57-P-20A afterburning turbojetCombat Radius: 450 milesMax Speed: Mach 1.86 (1,225 mph)Ceiling: 58,000 ft. Armament Guns: 4 Ãâ€" 20 mm (0.787 in) Colt Mk 12 cannonsRockets: 8 Ãâ€" Zuni rockets in four twin podsMissiles: 4 Ãâ€" AIM-9 Sidewinder air-to-air missiles, 2 x AGM-12 Bullpup air-to-ground guided missilesBombs: 12 Ãâ€" 250 lb bombs or 4 Ãâ€" 1,000 lb (450 kg) bombs or 2Ãâ€" 2,000 lb bombs Operational History In 1957, the F8U entered fleet service with VF-32 at NAS Cecil Field (Florida) and served with the squadron when it deployed to the Mediterranean aboard USS  Saratoga  later that year. Quickly becoming the US Navys top daytime fighter, the F8U proved a difficult aircraft for pilots to master as it suffered from some instability and was unforgiving during landing. Regardless, in a time of rapidly advancing technology, the F8U enjoyed a long career by fighter standards. In September 1962, following the adoption of a unified designation system, the Crusader was re-designated the F-8. The next month, photo-reconnaissance variants of the Crusader (RF-8s) flew several dangerous missions during the Cuban Missile Crisis. These began on October 23, 1962, and saw RF-8s fly from Key West to Cuba and then back to Jacksonville. The intelligence collected during these flights confirmed the presence of Soviet missiles on the island.  Flights continued for six weeks and recorded over 160,000 photographs.  On September 3, 1964, the final F-8 fighter was delivered to VF-124 and the Crusaders production run ended. All told, 1,219 F-8s of all variants were built. Vietnam War With the US entry into the Vietnam War, the F-8 became the first US Navy aircraft to routinely battle North Vietnamese MiGs.  Entering combat in April 1965, the F-8s from USS Hancock  (CV-19)  quickly established the aircraft as an agile dogfighter, though despite its last gunfighter moniker, most of its kills came through the use of air-to-air missiles.  This was partly due to the high jam rate of the F-8s Colt Mark 12 cannons. During the conflict, the F-8 achieved a kill ratio of 19:3, as the type downed 16 MiG-17s and 3 MiG-21s. Flying from smaller Essex-class carriers, the F-8 was used in fewer numbers than the larger F-4 Phantom II. The US Marine Corps also operated the Crusader, flying from airfields in South Vietnam.  Though primarily a fighter, F-8s also saw duty in ground attack roles during the conflict. Later Service With the end of the US involvement in Southeast Asia, the F-8 was retained in frontline use by the Navy. In 1976, the last active duty F-8s fighters were retired from VF-191 and VF-194 after nearly two decades of service. The RF-8 photo-reconnaissance variant remained in use until 1982 and flew with the Naval Reserve until 1987. In addition to the United States, the F-8 was operated by the French Navy which flew the type from 1964 to 2000 and by the Philippine Air Force from 1977 until 1991.

Hinduism Vs. Buddhism - 970 Words

Hinduism and Buddhism are two of the most interesting religions in the world. To date, people still practice these religions in varying parts of the world especially in India. Although originating from Ancient India, some have difficulty in differentiating between the two. Hinduism and Buddhism share many similarities and also differ immensely. What is Hinduism? Hinduism, often referred to as Sanatana Dharma is the largest of the eastern religion and one of the oldest in the world. â€Å"Hinduism denotes the religions of majority of the people in India and Nepal as well as communities in other continents, who refer to themselves as Hindus.† Flourished between 2500 BCE to 1500 BCE, and developed by Aryans. (Flood) What is Buddhism? Many†¦show more content†¦(ThinkQuest) Buddhism had no Gods, because they did not believe in them. The important book of the Hindu religion is the Veda, written before 6500 BC; included hymns, prayers and magical spells. The Veda is the foundation for most later developments in what is known as Hinduism. The important book of the Buddhist religion is the Triptakas. Hindus valued knowledge white Buddhist valued spiritual peace. Due to Buddha’s teachings, those belonging to the Buddhism religion the only way they would be successful was to give up on all desires of the world. Hindu’s however, believed that one must fulfill their duties to ensure reincarnation into a higher caste. Hindu’s practice the three-fold training: morality, concentration, and wisdom. Meanwhile Buddhist practices and rituals include mantras( sacred grounds) and mudras (symbolic hand gestures). The Four Noble Truth is important because it provides an understanding to life. The truths acknowledged that there is suffering, suffering is caused, and eliminating the causes of suffering can get rid of it and to follow the eight fold path to extinguish suffering. The Eight Fold Path previously discussed teaches one to do things in moderation. It includes the right understanding, the right concentration, the right mindfulness, the right effort, the right action, the right intention, the right livelihood, and the rightShow MoreRelatedBuddhism Vs Hinduism : Hinduism1573 Words   |  7 PagesBuddhism vs Hinduism Hinduism and Buddhism are two religions that are very open and tolerant of all people. They are religons that believe in acceptance of all and open-mindedness of other religons. Hinduism is the oldest religion on the planet that has been well established and still has a large following. To put it into perspective if religons were under 100 years old Hinduism would be 80 and Judaism and Christianity would still be in their 20s or 30s. 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Air Quality and Climate Change as Integrated Policy Free Essays

An integrated approach to tackling air quality and climate change makes sound sense. The topics of air quality and climate change are interrelated, so policies surrounding the two problems should be addressed using an integrated approach. The emissions that pollute our air and those that warm the planet have common sources: vehicles, buildings, power generation and industry. We will write a custom essay sample on Air Quality and Climate Change as Integrated Policy or any similar topic only for you Order Now These pollutants and activities that affect the air we breathe also have a significant impact on the climate change the earth is experiencing. Integrating air pollution control and climate change policies helps to achieve sustainable development and a low carbon society that benefit all. Many benefits are realized through integrating approaches and policies to air quality and climate change. One benefit of integrated policies is that the price to implement the policies is more cost effective. â€Å"Integrating climate and air pollution control programs leads to significant cost savings and important benefits to human health and the environment† (Kuylenstierna and Hicks, 2008). Also, climate policies and decisions are felt in the future while policies improving air quality are felt in the here and now. Also, an integrated policy would avoid unintentional trade-offs. That is â€Å"when policy is introduced to benefit one area without consideration of how it will affect the other; in these cases, negative impacts felt by one area may outweigh the actual benefits that the policy was designed to bring† (Environmental Protection UK, 2011). Another benefit of integration is the ability to prioritize actions and weigh the advantages and disadvantages of the action for each problem. There will be obstacles to realizing an integrative approach to air quality and climate change. Political obstacles can include lobbyist and interest groups that hold significant influence in the political arena. If proposed actions increase costs to manufacture or produce energy, the interest groups and the lobbyists will be vocal about their disapproval and may influence a political leader’s decision to implement environmental policies. In addition, individuals may voice their concerns about costs associated with integrated policies. For example, if the cost of a car goes up to meet emissions regulations, individuals will voice their opinions during election time by voting the out the policy maker. Finally, the science behind the problems needs to be clearly communicated and understood by all. The science needs to be valid and proven as well. If the science is correct, individuals will more readily accept any policy changes. Currently, there are opposing views on air quality and climate change that contribute to the confusion many realize surrounding the environmental problems the world is facing. A fragmented approach to address these environmental issues may do more harm than good. One policy that is meant to help with climate change may pose many disadvantages to air quality. In a compartmentalized approach, the effect to the other issue is not considered. This can also add additional costs and resources to amend or fix a problem created through a fragmented approach. Separate approaches also contribute to the influence interest groups and lobbyists can have on the implementation of policies. Finally, a fragmented approach can be unclear and communicate competing priorities. The unclear and fragmented message presented to the public lessens the impact and the crucial need to act on the issues we face surrounding air quality and climate change. â€Å"Individuals are the drivers of larger processes of change involving organizations and political systems, especially in democratic societies† (Liverani, 2009). In addition, â€Å"as consumers, individuals hold a reservoir of mitigation capacity. Roughly 40 percent of OECD emissions result from decisions by individuals—travel, heating, and food purchases. U. S. ouseholds directly account for roughly 35 percent of national CO2 emissions – more in absolute terms than the entire U. S. industrial sector and any other country bar China† (Liverani, 2009). Reflecting on these numbers, the impact that individual behaviors and actions demonstrate the negative consequences people have to the air quality as well as the significant contribution to the climate change problem. However, people must not only be informed, concerned, or understand the problems and issues, the people must act to improve air quality conditions and stop the rapid rate of climate change. People need to accept responsibility for their waste and their emissions. Policy makers have used economic and market mechanism to drive adoption, but this strategy is not all that is needed. Understanding their impact and acting on their impact without financial incentives is crucial to improve the quality of the air we breathe and slow the climate change we are experiencing. New social norms need to be established through effective marketing and communication of the problems.? How to cite Air Quality and Climate Change as Integrated Policy, Papers

Case Study Questions free essay sample

1. What are the inputs, process, and outputs of UPS’s package tracking system? 2. What technologies are used by UPS? How are these technologies related to UPS’s business strategy? 3. What strategic business objectives do UPS’s information systems address? 4. What would happen if UPS’s information systems were not available? Answer: 1. A. Inputs * Package Information * Customer Information * Destination * Current Location of the parcels B. Process * The data are transmitted to a central computer and stored for retrieval. Data are also organized so that they can be tracked by customer. C. Output * Smart Labels * Signatures of Receiver * Proof of delivery * Receipts 2. Technologies used by UPS * DIAD (Delivery Information Acquisition Device) * Barcode scanning systems * Smart Labels * Wired and Wireless Communication Network (GPRS, CDMA) * Desktop and Central Storage â€Å"Best Services and Lowest Rates† Because of the advance integration of UPS’s technology. It can provide services cheaper and more efficiently. That technology solves problems like logistics and supply chain management, freight forwarding, customs brokerage, mail services. We will write a custom essay sample on Case Study Questions or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page 3. Strategic Business Objectives of UPS’s information systems address * Operational Excellence UPS manage to cut down costs and save M 28 Miles by their truck using advanced technology. * New Products, Services and Business Models The information systems of UPS created new way on how to offer delivery service. It has transformed the way the company gathers information, creating routes etc. * Competitive Advantage UPS had already its operational excellence and New Products, Services and Business Models which means the UPS already gain a competitive advantage. Having this kind of technologies that they use like DIAD made them do things better than their competitors. 4. If UPS’s Information Systems were not available: * Operational costs could be higher. * Millions of gallons of fuel could be burnt. * Millions of miles could be driven. * UPS’s would not be able to track their parcels and deliver them efficiently if these systems were not available. MIS in Action