He can delay it while he “studies” the request. Kind of like the Keystone pipeline.
Too late ... already done ...
In a letter to the leaders of both houses of Congress on Wednesday, U. S. Defense Secretary Chuck Hegel wrote that the Department of Defense “has reviewed and supports this urgent request.”
Already, Congress has indicated that it will double the Pentagon’s request for $175 million for Iron Dome in 2015. This would bring Iron Dome funding to $575 million for next year.
http://www.appropriations.senate.gov/news/fy15-defense-subcommittee-markup-bill-summary