Safeguard communications facilities.
Subtitle: Hearing before the Subcommittee to Investigate the Administration of the Internal Security Act and Internal Security Laws of the Committee on the Judiciary, United States Senate, Eighy-seventh Congress, first session, on S. 190 ... June 7, 1961
Publisher: U.S. Govt. Print. Off.
Published: 1961
Place of publication: Washington
Language: eng
Number of pages: 44
Subjects: Telecommunication -- United States; Civil defense -- United States; Internal security -- United States; United States -- Defenses