S4 1367619 224170152 2008-07-07T17:18:41Z Draeco 298878 fix link format '''S4''' or '''S-4''' may refer to: * Form S-4, a [http://www.sec.gov/about/forms/forms-4.pdf filing] required by the [[Securities and Exchange Commission]] to declare [[Mergers and Acquisitions]].[http://www.investopedia.com/terms/s/s4.asp] *[[USS S-4 (SS-109)]], a US Navy submarine *[[Staff (military)#Logistics_.284.29|S4 (military)]], a logistics officer within [[military unit]]s. *S4, a sustainability trends in fashion newsletter created by model [[Summer Rayne Oakes]] and found at [http://www.S4trends.com/ S4trends.com] * the [[normal modal logic]] [[Kripke semantics#Correspondence and completeness|S4]] *S4 algebra, a variety of [[modal algebra]]s, also called [[Interior algebra]] *[[S4 inc.]], Burlington, Massachusetts, top secret facility clearance mission-critical support services to customers like the Department of Homeland Security and U.S. Air Force [http://www.s4inc.com/index.html] * S4 safety phrase, see [[List of S-phrases]] * [[Fourth heart sound|S<sub>4</sub>]], an abnormal [[heart sounds|heart sound]] often indicative of [[congestive heart failure]] or [[cor pulmonale]] *[[Advanced Configuration and Power Interface]] (ACPI), S4 refers to [[Hibernate (OS feature)|hibernation]], a sleeping state in which the contents of RAM are saved to a hard disk *[[Audi S4]] *[[SATA International]] (S4 [[IATA airline designator]]) *[[Students for saving social security]] * Version 4 of [[S (programming language)]] * Fourth [[sacrum|sacral vertebra]] of the [[vertebral column]], in [[human anatomy]] * [[P4 gauge|S4]] In model railways, a highly accurate 4mm/1 ft modelling format * [[Sector Four]] An alleged military base next to [[Area 51]], said to contain nine UFOs * [[S4 (Munich)]] S-Bahn line in Munich * [[S postcode area|S4 postcode]], covering areas of northern [[Sheffield]] {{disambig}} [[de:S4]] [[fr:S4]] [[ko:S4]] [[it:S4]]