Admiral Al'fred Berzin, who last made an appearance on this blog with his reminisces about Cold War submarine encounters in K-184 vs. Guardfish has a very cool Livejournal page, too.
I don't know how the US Navy does it, but the Russian Navy apparently places a premium on retrieving spent practice torpedoes such as this one:
Admiral Berzin assures us that this is not an authorized manner of torpedo recovery, no matter HOW lost the torpedo retriever is:
And here is Hotel II SSBN K-178 demonstrating an alternative method of practice torpedo recovery back in 1989 (click for a magnified view):
Admiral Berzin offers a wealth of Cold War stories and more on his Livejournal page.