The Senate Armed Services Committee focused Wednesday on "crumbling" infrastructure at defense installations, including naval shipyards, during Nickolas Guertin's nomination hearing to be Navy assistant secretary for research, development and acquisition. “We do not have 20 years. We have to move very quickly,” Sen. Jack Reed (D-RI), the committee chairman, said. Reed referred to the time frame for renovations under the Navy’s Shipyard Infrastructure Optimization Program (SIOP). Sen. Mazie Hirono (D-HI) noted that “crumbling infrastructure” is persistent in all military...