The psychology of shmups is immensely difficult to figure out. Exactly what makes one scrolling shooter better than another isn't always immediately obvious.
It's not speed that's the key, and neither is it clever weapons or specific types of ships. Most likely it's a fresh and intelligent combination of these factors, and some have it, while others do a nosedive into the scrolling floor.
Regrettably, F-22 Raptor seems to belong to the latter category.
In 1981, the Air Force developed a requirement for an Advanced Tactical Fighter as a new air superiority fighter. It would take advantage of the new technologies in fighter design on the horizon including composite materials, lightweight alloys, advanced flight control systems, higher power propulsion systems and stealth technology. Air Force leaders believed these new technologies would make aircraft like the F-15 and F-16 obsolete by the early 21st century.
The requirement for the F-22 was identified through the process described in Air Force Instruction (AFI) 10-601, Mission Needs and Operational Requirements Document and Procedures. During the early 1980s, the Air Force assessed its tactical capabilities against projected threats and determined that a mission deficiency would exist in the near future that could jeopardize the ability of the United States to ensure that its forces have the freedom of action to conduct operations against opposing forces. The Advanced Tactical Fighter Statement of Operational Need (November 1984) detailed this need, and Congressional funding and approval were received in 1985.
The ATF was to be the successor to the F-15, a long range air superiority fighter with the performance to kill any other tactical aircraft and the operating radius to threaten targets deep inside the USSR while flying from bases in Western Europe. This was to be achieved by the use of a highly integrated airframe/systems/propulsion design exploiting advanced aerodynamics, engines and stealth technology, the latter to delay an opponent's initial firing opportunity for as long as possible, and thus capitalise on the large Radar Cross section (RCS) of the Fulcrum and Flanker.
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Raptor
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