Lead Test Engineer John Kobak (to the right) and a technician use an oscilloscope to test the installation of an RL-10 engine in the PSL No. 2 on 13 April 1962.
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NASA
Description
Lead Test Engineer John Kobak (to the right) and a technician use an oscilloscope to test the installation of an RL-10 engine in the PSL No. 2 on 13 April 1962.