Research for Personnel

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June 1, 2009

This manual describes the use and maintenance of the Personnel Inventory Aging and Promotion (PIAP) model and discusses its development, structure, and outputs. Additionally, the manual provides guidance for interpreting the model’s results. The PIAP model can be used to examine the effect of various manpower policy implementations and their future consequences to the Navy’s personnel profile. The user may analyze how policy changes will affect promotion tempo, promotion rates, likelihood of promotion, time in service, time in grade, separation rates, and future gaps between requirements and personnel. The PIAP model resides in an Access database and includes an Excel workbook that compiles, processes, and formats the data for analysis.

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February 1, 2006
Alternative sea manning concepts (ASMCs), such as flexible deployment concepts, optimal manning, and rotational crewing, will modify not only the ratio of operational to nonoperational billets but also the amount and nature of actual sea time associated with being in an operational billet. In this document, we first define some of the relevant ASMCs and discuss what is known about how they will affect Sailors. In particular, we focus on the effect of ASMCs on how sea-intensive Sailors’ careers will be. We then look at past, current, and forecast sea/shore ratios to provide a baseline and see how this baseline compares with what we might expect under the ASMCs. Finally, we examine the extent to which the changes in Sailors’ careers might affect retention and the implications for compensation.
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February 1, 2006
The Navy is changing the way it employs its fleet in order to have a more constantly ready, agile force. In this document, we describe our analysis of manning over the Interdeployment Training Cycle (IDTC). A common perception is that personnel levels follow a “bathtub” pattern over the deployment cycle. In particular, the number of Sailors on a ship is believed to be high during a deployment, to fall when the ship returns to homeport, to stay low in the middle of the IDTC, and then to climb again as the ship trains for its next deployment. If this were the case, it would be difficult to switch to a fleet employment model that calls for constant readiness. We construct and analyze a database that allows us to test whether this perception is true. Our database merges ship employment and personnel databases back to 1982 and provides detail by ship type, time period, and other variables.
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January 1, 2006
Career paths and compensation are ideally tailored to fit the requirements of specific occupational fields and individual workers. Different skills and occupations call for different pay as well as different amounts of in-house training, career lengths, and assignment patterns. In the military, however, career paths and the structure of compensation tend to be rigid and the basic outlines have persisted since before the beginning of the All-Volunteer Force. Most analysts and policy-makers agree that the future Navy will consist of more technologically advanced platforms organized to have a more agile fleet. This fleet will call for a smaller, more experienced workforce that spends more time in operational billets. If these predictions are correct, substantial changes must occur in manpower, personnel, and training systems. It will be necessary to have more innovative career paths. In this paper, we will first show that the Navy workforce is more junior than its nonmilitary counterpart. We will then review literature that shows that this has already created problems. Next, we argue that future changes will make it even more compelling to undertake reforms needed to create a more experienced force. Then we will explore some possible reforms to create innovative career paths.
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January 1, 2006
Early in the 21st century, the United States Navy launched Sea Power 21—a strategy to organize, integrate, and transform the Navy to take advantage of changing technology and to meet emerging challenges and threats. An important part of that vision is a reduced enlisted workforce of more experienced, better educated, more skilled, and higher performing people than ever before. It also means a more flexible manpower system, with significant changes in the shape of the force and in recruiting, training, and personnel policies. In support of these efforts, CNA initiated a project to address several aspects of human capital management, including innovative career paths, alternative military retirement systems, a strategy for Navy civilians, and a proposed pilot in recruiting and training. This paper describes the latter. Specifically, we propose implementing a pilot to recruit pretrained civilians, using civilian recruiters. When fully implemented, the pilot would include a significant number of Navy occupations and technical fields. This is a concept that could enhance the average skill level of junior Sailors, enabling a different kind of force structure in which fewer Sailors are in initial pipeline training and more are in the fleet as technically trained Petty Officers.
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February 1, 2005

In order to investigate which duty stations and ratings are at a high risk for hearing loss, this study looked at the Defense Occupational and Environmental Health Readiness System (DOEHRS) medical hearing test records of nearly 251,000 enlisted sailors and officers over the twenty-five year period 1979 to 2004. The study found that enlisted sailors who spend most of a 24 year Navy career assigned to a Naval Surface Warship1 as opposed to being assigned to ashore duty stations or a Naval Support ship, had a much higher probability of leaving the Service with a reduction in their ability to hear. Since many individuals lose some hearing as they age, the study controlled for aging along with other factors such as gender and race to properly test if there are differences associated with ship assignments. To accomplish this task, we merged Navy medical records of hearing tests with information on each individual sailor's duty stations.

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October 1, 2003
We examined whether the class of complexity-based model(s) known as Agent-Based Models (ABMs) could be a useful decision-support tool for personnel planning and management. In using ABM, a system is modeled as a collection of autonomous, decision-making agents. ABMs are built using an object-oriented programming language. Each agent, the agent’s environment, and the schedule that controls the model run are independent objects that can be matched in a variety of ways. A major strength of ABM is its ability to simulate real interactions between individuals and groups allowing for a wide variety of feedback, adaptation, and negotiation behaviors. However, ABM’s results are sensitive to initial conditions, and the reliability of such results is limited to ranges of outcomes linked to ranges of input parameters. In examining a variety of ABM applications—including biological, behavioral, and organizational—we determined that ABMs have dealt with the kinds of issues important to the Navy and that, while not a perfect analogy, an ABM supply chain type of model would meet many of the Navy’s personnel modeling requirements. Given the possible benefits of using an ABM, we feel that there would be value in building a prototype “proof-of-concept” ABM to test its utility.
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June 1, 2003
To facilitate true military transformation, the naval research community must work more closely than ever with leadership so that it can inform, shape, and support this systemic change. To this end, the Center for Naval Analyses (CNA) hosted the Third Annual Navy Workforce Research and Analysis Conference on March 31 and April 1, 2003. The conference brought together Navy’s leadership and the research communities to discuss how to better integrate today’s research and development (R&D) efforts with leadership’s evolving manpower, personnel, and training vision. This document relates the conference presentations and discussions to aspects of the CNP’s FY03 guidance and the Navy’s R&D priorities—including efforts to shape the force, better establish manpower requirements, design Sailor-centric systems, leverage new technology, manage careers more effectively, provide service members with a positive Navy experience, and create a seamless military team.
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October 1, 1999
Historically, the level of fleet manning has varied over the course of the year. Arrivals to and departures from the sea fleet have not coincided well, resulting in significant understaffing at certain times of the year. The objective of this report is to recommend policy options to bring about better matching of enlisted sea gains and losses to reduce the seasonal variation in sea manning. We first document the pattern of seasonal variation. We then decompose the transitions to and from the sea fleet to determine the sources of the variation. Finally, we offer an initial look at certain policies that aim to reduce the seasonal variation. We find substantial variation in sea manning over the course of the year for both E1-E4 and E5-E9 sailors. The main contributor to the seasonal variation in E1-E4 net gains is strength losses at End of Active Obligated Service dates (EAOSs). We construct several policy options that aim to reduce seasonal variation by shifting these EAOSs dates so that they match sea gains more closely.
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