'In 1957 this chain of about 60 radar sites along the 70th Parallel went into operation'
Distant Early Warning (DEW) Line
ARE YOU GIVING ME A LINE?: In 1957 this chain of about 60 radar sites along the 70th Parallel went into operation
In 1957 this chain of about 60 radar sites along the 70th Parallel went into operation
In 1957 this chain of about 60 radar sites along the 70th Parallel went into operation
ARE YOU GIVING ME A LINE?
Distant Early Warning DEW Line
ARE YOU GIVING ME A LINE?