lognormal or Weibull distributions provide a relatively good fit to EAC cost growth in budgets. The third article is “Analyzing Stability of Estimates at Completion for Long Duration Development Efforts” by Bradley Vuu, Jonathan D. Ritschel, Brandon M. Lucas, and Edward D. White. The authors of the article provide empirical evidence that long duration programs behave differently than short duration programs. They caution program managers to consider the length of duration when estimating cost at completion up to and slightly beyond the 70% completion point, after which cost deviation tends to stabilize. This issue’s Current Research Resources in Defense Acquisition is Business Acumen. The Defense Acquisition Reading List features the following book reviews: Military Culture Shift: The Impact of War, Money, and Generational Perspective on Morale, Retention, and Leadership by Corie Weathers; reviewed by Jess Rankin Blockchain Technology: Exploring Opportunities, Challenges, and Applications by Sonali Vyas, Shaurya Gupta, and Vinod Kumar Shukla; reviewed by Bob Natale Securing the MRAP: Lessons Learned in Marketing and Military Procurement by James M. Hasik; reviewed by Ronald Hicks. Kevin Buck, David Gallup, John Cannaday, and John Snoderly have left the Editorial Board. We thank them for their long and devoted service. We sadly bid a belated farewell for the passing of RADM James Greene, USN (Ret.). We welcome to the Editorial Board our new members: Dr. Bobbie G. DeLeon (DAU); Dr. J. Scott Frampton (Eisenhower School for National Security and Resource Strategy); Mr. Jeffrey R. LaFleur (Eisenhower School for National Security and Resource Strategy); and Dr. Steve King (MITRE).
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