/ * TASVP QS (Die 4 PHiLalias Tt Dygcsnenee Mark 5 (Implosion-type bomb; outside diameter 45 inches; ss approximate weight 3,100 pounds) 7. This weapon is currently being stockpiled. Mark 7 (Implosion-type bomb; approximate outside diameter 30 - dnehes; approximate weight 1,600 pounds) &. A number of prototype units, which could be used in an emergency, are now in the stockpile. Initial delivery of the approved production model has been delayed owing to over-all delays in construction of adc itional facilities and deliveries of equipment to the Towa Ordnance Plant, Burlington, Iowa, Stockpiling of the regular Mark production units is now scheduled to begin in June 1952. 9. special fuzging is being developed for incorporation at a later date. Mark 8 (Gun-type bomb for subsurface detonation; approximate diameter 14-1/2 inches; approximate weight 3,259 pounds) 10. Stockpiling of the Mark 8 bomb began in February 1952 and the weapon is now operational. bw oO Mark 9 (280 mn. Artillery-fired atomic projectile) 1. Stockpiling of prototype projectiles began in April 1952, and first deliveries of regular production units are scheduled to be made in July 1952. The associated artillery piece, which was developed by the Army Ordnance Corps, has been extensively tested using projectiles which did not contain fissionable material. Weapon Components Production A thorough study of the new The Department of Defense is ig sah) : Sie Ci SHASINEaf th ~\s electronic fuze (Abee) resulted in several modifications. ES le. Abee and Albert Fuzes.

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