The Department of Defense, specifically the Naval Air Warfare Center, is seeking to procure long-range planning support services on a sole-source basis from WSP USA Inc. This procurement aims to ensure the seamless continuation of ongoing planning and engineering support critical to the operations at the China Lake facility in California. Interested firms that believe they can meet the requirements are invited to submit a written response, including a capability statement, referencing solicitation number N6893626Q5048, within five days of the notice publication. For further inquiries, interested parties may contact Donell Sims at donell.e.duenassims.civ@us.navy.mil or Deborah Sorem at deborah.sorem2.civ@us.navy.mil.