$


MULTIPLATFORM COMPATIBILITY


MMT’s “product line” approach is in part a response to the Army’s need for lighter-weight and lower-cost missiles that are compatible with multiple aviation platforms, including the AH-64D/E Apache helicopter. (U.S. Army photo)


modification process is iterative and may take multiple passes to complete.


Interdependent architectures are also generally closed and proprietary, keep- ing costs high in two ways. Te first is by presenting a barrier to competition. Te second is that they are difficult and time-consuming to design and, once built, just as difficult and time-consum- ing to modify.


Te BBP initiative has previously rec- ommended the use of open systems architectures wherever possible to reduce costs and shorten development times. BBP 3.0 recognizes that open systems architectures “stimulate innovation” by


broadening the opportunities for new competitors to “win their way onto our programs.”


Open systems architectures come from the world of networked computers, where the hardware and software are in con- stant use. Missiles, by contrast, get used once. While open systems standards exist for the external interfaces of guided missiles, there are, regrettably, no open systems architecture options for the sub- systems of guided missiles themselves. Tere are two primary reasons for this. Te first is technical: Guided missiles are high-speed, weight-sensitive,


one-shot


devices with multiple time-critical func- tions. Because of the interrelationships


of the missile’s hardware, aerodynamic properties and the need for stable flight at high speed, developing them is com- plex. Te


second reason is economic:


Because open systems architectures tend to reduce profit margins, the prime con- tractors in the missile industrial base have no incentive to develop one for guided missiles. Tose outside the missile indus- trial base lack the system-level expertise necessary to develop guided missiles. Te “economic moat” for new entrants is indeed large where guided missiles are concerned. Under these circumstances, it is understandable that no open sys- tems architecture for guided missiles has come from the commercial sector, nor is it likely.


ASC.ARMY.MIL 133


BBP 3.0


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