Further evidence of a base in some form came in early 2005 when internet source photos documented the visit of a single Type 091 Han-class nuclear attack submarine (SSN) to Yulin.

• 一个基地进一步的证据大约在2005年早期产生，英特网源相片证明了一艘单独的091型汉-级核攻击潜水艇（SSN）逗留玉林。