Also known as: OH-
OH has various meanings in the NASA category. Discover the full forms, definitions, and usage contexts of OH in NASA.
To examine with a view to repairing or refitting. To overtake. To extend a tackle so that distance between blocks is increased. Hauling the buntline ropes over the sails to prevent them from chaffing. Get gear in condition for use; to separate the blocks of a tackle to lengthen the fall.
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