Mk8
| Designer |
| Los Alamos Scientific Laboratory (1947-1980) |
| Type |
| Gun |
| Dimension(s) |
| 116″ x 14.5″ |
| Weight(s) |
| ? |
| Yield(s) |
| ? |
| Application(s) |
| (BOMB) B8 |
The blunt-nose Mk8 Mod 0 measured 116″ long and 14.5″ in diameter2.1
With the detonation of shot Baker of operation Crossroads, an underwater detonation weapon began to be considered.1.1
May 15th 1947, Z Division was assigned to study the possibility of creating a gun-type penetrating bomb.1.1
July 1948, the code name of LC (Elsie) was assigned to the project1.1
November 11 1949, Sandia was assigned for design responsibilities in the Elsie program with it being renamed to the TX-8 in August of 1950.1.1
The TX-8-X1 was the subsonic carriage option, with the TX-8-X2 was the supersonic carriage option1.2
Trainer shape of Mk8. Note the missing nose fuse, mating band around the center-section, and delay-fuse insertion port on the left side. 
Training shape of the Mk8 
(Background) Mk7, (Front) Mk8. Note the delay-fuse port near the forward section.
Nuclear Weapon storage area on Navy ship. Mk7 (Left) Mk8 (Center), Mk5 (Right). 
What appears to be, from left to right, a Mk6, Mk7, Mk12, and Mk8 stored within an aircraft carrier special weapons magazine