; (D) other components and offices of the Department that the Secretary determines to be necessary, including to support the training, technology testing, and development described in subsection (d); and (E) additional Federal, State, tribal, local, and international government partners, as the Secretary determines to be necessary and appropriate to support the coordination of operations described in this Act. (d) Functions The Center shall perform the functions described in this subsection in addition to any other functions assigned by the Secretary. (1) Northern border strategy The Center, in collaboration with relevant offices and components of the Department, shall— (A) serve as a coordination mechanism for operational components for the implementation, evaluation, and updating of the Northern Border Strategy and any successor strategy; and (B) support the development of best practices and policies for personnel at the northern border to support such implementation. (2) Training The Center shall serve as a training location to support the delivery of training or exercises for Department personnel and Federal, State, tribal, local, and international government partners. (3) Metrics The Center, in collaboration with relevant offices and components of the Department, shall coordinate the development and tracking of border security metrics for the northern border. (4) Resource and technological needs and challenges The Center, in collaboration with relevant offices and components of the Department, shall— (A) identify resource and technological needs or challenges affecting security along the northern border