PRESOLICITATION NOTICE: Unarmed Security Guard Patrols for Station 962 (Mare Island NC). -- S206 PRESOLICITATION NOTICE: Unarmed Security Guard Patrols for Station 962 (Mare Island NC). PRESOLICITATION NOTICE: Unarmed Security Guard Patrols to be performed at Mare Island Naval Cemetery, Imhoff Rd, Vallejo, California, 94592.