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robert perry

Costs, requirements, and the development of the jet engine

September 1, 2022 Eric Lofgren 0

Here’s an excerpt from Robert Perry’s 1967 paper, “Innovation and Military Requirements: A Comparative Study.” In it, he finds that one of the inventors of […]

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Experts misguiding innovation in the age of ballistic missiles

December 16, 2020 Eric Lofgren 0

Actually, the vital ingredients of a medium-range ballistic missile were mostly within reach by 1947, excepting a nuclear warhead and proven means of warhead reentry, […]

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Agile development isn’t new to defense, it was just cast out by the “whiz kids”

June 19, 2020 Eric Lofgren 2

It seems clear that the reciprocity of innovation and requirement is unusually important during the period when demonstrations of feasibility are being attempted. The character […]

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Lessons for Today: Opposition to ballistic missiles in the 1940s/50s

February 25, 2020 Eric Lofgren 2

There was, without question, deep and sincere opposition to the accelerated development of ballistic missiles. It was chiefly effective in the years between 1950 and […]

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Do we still have faith that any conceivable weapon can be built?

January 20, 2020 Eric Lofgren 1

Like most of their countrymen and contemporaries, American military leaders of the later 1940s concluded that almost any conceivable weapon could be built if one […]

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Pushing immature technology to meet requirements

May 28, 2019 Eric Lofgren 0

Let me being by offering three propositions. First, that successful new military weapons routinely derive from proven technology and virtually never emerge from efforts to […]

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The need to demonstrate technical feasibility

March 29, 2019 Eric Lofgren 0

Finally, it is clear that in the German case, as in the British, an early demonstration of the technical feasibility of the turbojet engine made […]

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