Lyndon Johnson actually said...
On a white disk the shield of the Coat of Arms of the United States (paly of thirteen pieces argent and gules a chief azure) between the motto 'SEMPER PARATUS' in red; circumscribed by a white annulet edged and inscribed 'UNITED STATES COAST GUARD 1790' in blue all in front of two crossed anchors with stock, arms, and flukes in slight perspective in gold; superimposed upon a light blue disk with gold rope rim.
Context
Executive Order 11319—Amending Executive Order No. 10707, Establishing a Seal For the United States Coast Guard
12/08/1966