The 42nd test shot by the United States and the 10th shot in the Upshot-Knothole series. This tested the Mk9 Artillery-Fired Atomic Projectile (AFAP).
An M65 gun in the foreground after the detonation of the W9 just moments before. (Retrieved from https://scontent-fco2-1.xx.fbcdn.net/v/t39.30808-6/268121859_278824267620032_1038583212178900816_n.jpg?_nc_cat=111&ccb=1-5&_nc_sid=730e14&_nc_ohc=fVQ1NB3320EAX9sQOcz&_nc_ht=scontent-fco2-1.xx&oh=00_AT_-XEU2OiHs34js53jCk086vd9slInvrd1Iq3cvkrc7LQ&oe=61DE319F)
An M65 gun in the foreground after the detonation of the W9 just moments before. (Retrieved from https://pbs.twimg.com/media/E2P3SjLXoAAZulg?format=jpg&name=large)