02/13/1963
https://www.presidency.ucsb.edu...
"I believe we live in a hard and difficult era of history."
"It is also true, however, that individual preparedness, which is beyond the province of government, is essential to an effective civil defense."
"We are prepared to meet our obligations, but we can only defend the freedom of those who are determined to be free themselves."
"This carefully planned program would prevent an enemy from using our radio stations to assist him, and yet permits emergency broadcasting such as you now hear."