That's it! We had been told it was used to nab the Soviet sub, but when I tried to verify that story when writing the above post I only saw pics of the Glomar

That's it! We had been told it was used to nab the Soviet sub, but when I tried to verify that story when writing the above post I only saw pics of the Glomar Explorer, and figured we had been told a tall tale. Glad to see some deeper research proved out the original story - thanks!