Complex sentence: On 1 October 1999, "McKee" was decommissioned from service and moved to the Naval Inactive Ship Maintenance Facility (NISMF), located in Portsmouth, Virginia.
Split into simpler sentences: On 1 October 1999, "McKee" was decommissioned from service. Since that time she has been in the Naval Inactive Ship Maintenance Facility (NISMF), located in Portsmouth, Virginia.