; and (D) the 3D National Elevation Subcommittee. (4) Meetings The Committee shall meet at the call of the Chairperson. (5) Duties The Committee shall— (A) oversee the planning, management, and coordination of the 3D Elevation Program; and (B) develop, by not later than 1 year after the date of enactment of this Act, and update periodically thereafter— (i) a strategic plan that establishes goals and priorities for activities carried out under the 3D Elevation Program; and (ii) a detailed management plan to implement the strategic plan. (c) Subcommittee of National Geospatial Advisory Committee (1) Establishment (A) In general The Secretary shall establish, within the National Geospatial Advisory Committee, a subcommittee (referred to in this subsection as the Subcommittee ). (B) Membership The Subcommittee shall— (i) consist of not fewer than 11 members, of whom none may be a Federal officer or employee; and (ii) include representatives of— (I) research and academic institutions; (II) industry standards development organizations; (III) units of State and local government; and (IV) the private sector. (2) Duties (A) Assessment The Subcommittee shall conduct an assessment of— (i) trends and developments in— (I) the collection, dissemination, and use of 3D elevation data; and (II) science and technology relating to 3D elevation data; (ii) the effectiveness of the 3D Elevation Program in carrying out the activities described in subsection (a)(1); (iii) the need to revise or reorganize the 3D Elevation Program; and (iv) the management, coordination, implementation, and activities of the 3D Elevation Program. (B) Report Not later than 1 year after the date of enactment of this Act, and not less frequently than once every 2 years thereafter, the Subcommittee shall submit to the Secretary and the 3D Elevation Federal Interagency Coordinating Committee established under subsection (b) a report that includes— (i) the findings of the assessment under subparagraph (A)