Remarks Aboard the U.S.S. Kitty Hawk.
06/05/1963
https://www.presidency.ucsb.edu...
I can't indicate the roads by which there will be a change, but I've seen enough... to make me feel that time will see Cuba free again.
I also request that all ships sailing under the American flag dress ship on Wednesday, May 22, in tribute to the American Merchant Marine.
The situation in Laos is most serious.
I, John F. Kennedy, President of the United States of America, do hereby designate Friday, May 17, 1963, as National Defense Transportation ...