among jobs carried out by "hunley" was welding on ssbn pressure hulls or reactor plant fluid systems. once unheard of in submarine tending, these jobs were only a few of many carried out by "hunley's" crew. these and many other alterations were carried out as a matter of routine to keep ssbn's on the line with the newest possible technical improvements and safety devices. for example, an auxiliary "sub-safe" package was accomplished on the uss "theodore roosevelt" in which over 40 fittings and more than 100 feet of new piping in a major system were installed. a battery replacement for the uss "ethan allen" was completed in only 11 days. "hunley" met demands from making water-borne propeller replacements to encapsulation of ac induction motors; delicate repairs to navigation and fire control, and many other varied tasks to ensure that each ssbn had the finest of care on each refit. in 1976 from june through september an extended refit was performed on an ssbn assigned to hunley and a tiger team made up from the hunley the ssbn and the charleston shipyard completed an in drydock overhaul of many systems as well as hull and propeller. the hunley team leaders were lt. charles (chuck) emery, engine chief petty officer g.a. page and a second class petty officer george campbell. after the erp and the paperwork was completed the ssbn returned to her duties in the atlantic.