Chevaline submarine-launched missile post-boost system.

Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg




More: https://en.wikipedia.org/wiki/Chevaline

Previously:

Bomarc surface-to-air missile intercept - GIF
Blackhawk missile slow-motion shockwave - GIF
U.S. Navy submarine missile launch tubes - photo
Minuteman II missile silo blast door - photo
Underground missile door mechanism - video