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@ RESTRICTED §6—g resulted in a balloon being in the area of the San Andres Islands is that located at Managua, Nicaragua. However, since no objects were seen to be attached to the discs, it seems improbable that a radiosonde train might have beer involved, There is a possibility that a balloon broke free prior to release and subsequently developed a leak which caused it to drift into the area of the sighting. However, none of these possibili- ties account for the sighting of three objects within a thirty minute period. 6. On 7 February 1949 two Russian 300-ton sloops (Omar and Blesk) arrived at Colon, Republic of Panama, from St. Thomas, Virgin Islands, enroute to Valdivostok via Honolulu, Hawaii. The backtrack computation of wind and course and point of sighting lend a possibility that the objects were in free flight after release from these ships which followed a direct course from St Thomas to Colon. These two vessels are present- ly awaiting repairs at Colon. Two other vessels of the same type are presently. in St Thomas undergoing repairs. Any further developments will be reported promptly. —] 7. ‘The above report has already been submitted to Headquarters 4&ir Materiel Command and Headquarters United States Air Force by the Caribbean Air Command, ae Info cys to: Chief, AWS CO, 2108th Air Wea Gp