Operation: Powder Keg

Bio
Operation: Powder Keg was a military missile exercise that test an experimental nuclear missile equipped with an explosive equipped to devastate everything in a 100 mile radius of the missile. However, problems with the explosive lead to it to be removed for just a practical test of the missile's fight capacity, a fact not revealed in missile reports. The missile actually touches down near the island with the castaways. The Professor gets a brief look at its circuitry before the missile takes off out to sea with Gilligan inside and getting lost off shore.

Trivia

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Episode(s)

 * X Marks the Spot