 President Nixon then authorized General Abrams to begin planning for a U.S. operation in the Fishhook region . A preliminary operational plan had actually been completed in March , but was kept so tightly under <unk> that when Abrams handed over the task to General Michael <unk> , commander of the II Field Force , he was not informed about the previous planning and started a new one from scratch . Seventy @-@ two hours later , <unk> 's plan was submitted to the White House . National Security <unk> Dr. Henry Kissinger asked one of his aides to review it on 26 April , and the NSC <unk> was <unk> by its " <unk> " . 
