# \#titan-ii
**URL:** https://scanalyst.fourmilab.ch/tag/titan-ii/1974.md
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## [Honks and Screeches: Strange Sounds from Rocket Engines](https://scanalyst.fourmilab.ch/t/honks-and-screeches-strange-sounds-from-rocket-engines/1854)
**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [14 August 2022 13:53 UTC](https://scanalyst.fourmilab.ch/t/honks-and-screeches-strange-sounds-from-rocket-engines/1854 "2022-08-14T13:53:43Z")
Observers of tests of the SpaceX Raptor rocket engine have noticed it makes an odd “honk” sound when it shuts down at the end of a test. Since this has been the case for both the Raptor 1 and Raptor 2 engi…
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## [Titan II Missile Site Demolition](https://scanalyst.fourmilab.ch/t/titan-ii-missile-site-demolition/1400)
**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [20 May 2022 12:39 UTC](https://scanalyst.fourmilab.ch/t/titan-ii-missile-site-demolition/1400 "2022-05-20T12:39:29Z")
In an earlier post on 2022-05-18, “Building a Titan II Missile Silo” we saw what it took to build the 54 Titan II hardened missile sites in three bases in the United States. The Titan II was originally int…
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## [Building a Titan II Missile Silo](https://scanalyst.fourmilab.ch/t/building-a-titan-ii-missile-silo/1390)
**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 4\
**Last updated:** [20 May 2022 00:08 UTC](https://scanalyst.fourmilab.ch/t/building-a-titan-ii-missile-silo/1390 "2022-05-20T00:08:21Z")
A total of 54 Titan II missiles were deployed between 1963 and 1987, 18 each at bases in Arizona, Kansas, and Arkansas. Each missile carried a single W53 thermonuclear warhead with a yield of 9 megatons. …