in part, by Kaspersky Lab or any entity of which Kaspersky Lab has a majority ownership. (b) Severance of network connections The Secretary of Defense shall ensure that any network connection between a department, agency, organization, or other element of the Department of Defense and a department or agency of the United States Government that is using or hosting on its networks a software platform described in subsection (a) is immediately severed. (c) Effective date This section shall take effect on October 1, 2018. D Nuclear Forces 1631. Collection, storage, and sharing of data relating to nuclear security enterprise (a) In general Chapter 24 of title 10, United States Code, as amended by section 1624, is further amended by adding at the end the following new section: 499a. Collection, storage, and sharing of data relating to nuclear security enterprise (a) In general The Secretary of Defense, acting through the Director of Cost Assessment and Program Evaluation, and the Administrator for Nuclear Security, acting through the Director for Cost Estimating and Program Evaluation, shall jointly collect and store cost, programmatic, and technical data relating to programs and projects of the nuclear security enterprise. (b) Sharing of data If the Director of Cost Assessment and Program Evaluation or the Director for Cost Estimating and Program Evaluation requests data relating to programs or projects from any element of the Department of Defense or from any element of the nuclear security enterprise of the National Nuclear Security Administration, that element shall provide that data in a timely manner. (c) Storage of data (1) In general Data collected by the Director of Cost Assessment and Program Evaluation and the Director for Cost Estimating and Program Evaluation under this section shall be— (A) stored in the data storage system of the Defense Cost and Resource Center or in a data storage system of the National Nuclear Security Administration that is equivalent to the data storage system of the Defense Cost