The Department of Defense, through the Naval Sea Systems Command (NAVSEA HQ), intends to issue a sole source contract to BAE Land & Armaments L.P. for Mechanical Design Agent services in support of the MK 41 Vertical Launching System. This contract action aims to extend the current requirements for an additional year, emphasizing the critical role of the MK 41 system in naval operations. The procurement is justified under FAR 6.302-1(a)(2)(ii), indicating that only one responsible source can fulfill the agency's needs. For further inquiries, interested parties may contact Matthew Hubbard at matthew.r.hubbard2.civ@us.navy.mil or David Chamberlain at david.s.chamberlain5.civ@us.navy.mil.