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61. (Continued) 7 ION PSA 1 IRCNBARK ; Po Munitions' storage areas south of Havana which could be converted to Soviet needs in a relatively short time. Temporary storage could be pro- vided in ships or field sites which might not be identified. 5. Nevertheless, one must assume that nuclear warheads could now be available in Cuba to support the offensive missile capability as it becomes operational. The warheads expected for these missiles weigh approximately 3,000 pounds and have yields in the iow megaton range. Coastal Defense Missiles 6. Three coastal defense missile sites have now been identified in Cuba, two of which must now be considered operational (Banes and Santa Cruz del Norte). In an alert status, these cruise missiles can be fired in about 10 minutes, with subsequent firings from each launcher at 5 minute intervals. Air Defense Missiles 7. There are now 22 surface-to-air missiles (SA-2) sites located in Cuba, nine of which are believed to be individually operational at the present time. The remaining SA-2 sites could be operational in two to three weeks. Each site contains six missiles with six additional missiles in an adjacent hold area. The initial firing can take place anytime after an alert, pro- viding the site has reached readiness. Refire from a single launcher will take approximately 3 to 5 minutes. PSALM 189