Category
page 11958 in military history
North American Aerospace Defense Command
The North American Aerospace Defense Command (commonly abbreviated to NORAD NΟR-ad; ; ') is a bi-national mutual defense organization in Canada and the United States. Established 12 September 1957 as the North American Air Defense Command', NORAD is headquartered at Peterson Space Force Base in Colorado, which also serves as the headquarters of United States Northern Command (USNORTHCOM).
Operation Argus
Series of US nuclear weapon and missile tests
US–UK Mutual Defence Agreement
nuclear weapons security pact
Operation Hardtack I
1958 series of nuclear tests performed by the USA
1958 Tybee Island mid-air collision
aircraft collision that involved the loss of a nuclear bomb

Project Iceworm
code name for a top-secret United States Army program during the Cold War to build a network of mobile nuclear missile launch sites under the Greenland ice sheet
AN/FSQ-7 Combat Direction Central
Cold War-era air defense command and control computer
Project 58
1957-1958 nuclear test series of the United States
Operation Grapple
British nuclear weapons tests of very-early hydrogen bombs
Operation Hardtack II
series of nuclear weapon tests carried out at the Nevada Test Site during 1958
1958 Mars Bluff B-47 nuclear weapon loss incident
Project E
joint project the US providing the UK with nuclear weapons during the Cold War