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03234cam a22004218a 4500 001 2206DAF40F4011DF93771FC5C41A358D 003 SILO 005 20100201083435 008 091020s2009 caud b 000 0 eng 010 $a 2009044164 020 $a 0833047949 (pbk. : alk. paper) : 020 $a 9780833047946 (pbk. : alk. paper) : 035 $a (OCoLC)458738584 040 $a DLC $c DLC $d SILO $d SYB $d IWA $d SILO 043 $a n-us--- 050 00 $a UG1243 R363 2009 088 $a TR-740-AF 100 1 $a Ramey, Timothy L., $d 1951- 245 1 $a United States Air Force aircraft fleet retention trends : $b a historical analysis / $c Timothy L. Ramey, Edward G. Keating. 260 $a Santa Monica, CA : $b RAND Project Air Force, $c 2009. 300 $a xv, 31 p. : $b ill. ; $c 28 cm. 490 1 $a Technical report $v TR-740-AF 500 $a "Prepared for the United States Air Force." 520 $a An extensive body of literature highlights the challenges of aging aircraft. The basic concern is that aircraft become more expensive to maintain and less available for operations as they age. In this technical report, we do not directly examine the age of the United States Air Force's (USAF's) aircraft. Instead, we provide historical, contextual information on the ages of aircraft designs operated by the USAF. Using two 1998 Air Force Historical Agency reports, the report traces the use of different aircraft designs in the Air Force and its predecessor organizations, dating back to the earliest days of military aviation through 1995. Since the end of World War II and the formation of the Air Force as an independent military service in 1947, there has been a secular trend for the Air Force to keep aircraft designs in operation for ever-longer periods. So, while the mean age of aircraft designs currently in operation is at an all-time high, the same statement could have been made at most times throughout the history of the Air Force. The Air Force has had, by and large, an ever-aging portfolio of designs. In theory, the Air Force could have a new aircraft that was manufactured using an old design. With the exception of a handful of designs such as the C-130, however, Air Force aircraft have typically been only a few years younger than the design from which they were manufactured. 536 $a "The research described in this report was sponsored by the United States Air Force under Contract FA7014-06-C-0001."--Verso of t.p. 504 $a Includes bibliographical references. 610 10 $a United States. $b Air Force $x History. $x History. 650 0 $a Airplanes, Military $z United States $x History. $x History. 700 1 $a Keating, Edward G. $q (Edward Geoffrey), $d 1965- 710 1 $a United States. $b Air Force. 710 2 $a Project Air Force (U.S.) 830 0 $a Technical report (Rand Corporation) $v TR-740-AF 856 41 $z Electronic Version: Publisher's web page for this book, including scanned depiction of full text and images: $u http://rand.org/pubs/technical_reports/2009/RAND_TR740.pdf 941 $a 2 952 $l OVUX522 $d 20171220051601.0 952 $l USUX851 $d 20160825044257.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=2206DAF40F4011DF93771FC5C41A358D 994 $a 02 $b IWAInitiate Another SILO Locator Search