Democratic Representative Adam Smith, the committee’s chairman, said the panel did not approve the proposed use of Pentagon funds.
His stance could end up being symbolic, as the Pentagon insists it has the authority to shift the money. However, it could prompt Congress to change the law to prevent presidents from taking similar action in the future.
A court battle over the issue is also likely.
https://www.reuters.com/article/us-usa-defense/house-armed-services-chairman-denies-1-billion-transfer-for-trump-wall-idUSKCN1R724J