S-3

Norrlands signalregemente (Norrland Signal Regiment), designations Ing 3 det, S 1 B, S 3 and Signbat/I 19, was a Swedish Army signal regiment, one of the few new formations raised in the 20th century. It was disbanded in 2005. The regiment was garrisoned in Norrbotten.
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S3 or S-3 may be: Film Superman IIIS3 (military), the operations officer in military units.S3 (Berlin), a line on the Berlin S-BahnS-3 Viking, an airplaneS3 ICBM, a French nuclear missile now out of commissionAudi S3S3 FilmsA safety phrase, see List of S-phrasesThird sacral vertebra of the vertebral column, in human anatomyS3, an occasionally present third heart soundSanta Barbara Airlines, IATA airline designator
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[stratum tiga] doctorate program