Longer begets bigger
Planning for a long development period doesn't always solve acquisition scheduling problems. Sometimes it makes them worse. From William E.
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An infinite number of mathematicians walk into a bar. The first one tells the bartender he wants a beer. The second one says he wants half a beer. The third one says he wants a fourth of a beer. The bartender puts two beers on the bar and says “You guys need to learn your limits.” From http://wildaboutmath.com/2011/09/22/609/