http://www.cnn.com/2013/06/24/travel/hijacking-book-qa/?hpt=hp_bn10 Imagine the airport with no security. No metal detectors. No TSA guards. No luggage searches. Boarding an airliner with a firearm could be as easy as putting a pistol in your pocket and taking your seat. That's the way it was in the United States in the early 1970s when an epidemic of airline "skyjackings" dominated the news. Hijackers' motives ranged from political to financial. Their destinations spanned North America, Europe and Asia and quite often included the island nation of Cuba. The hijackings took place against a backdrop of dramatic social change and the Vietnam War. Three decades before the 9/11 attacks, these airline bandits triggered a chain of events leading to the modern airline security we enjoy -- and suffer -- today. Read More: http://www.cnn.com/2013/06/24/travel/hijacking-book-qa/?hpt=hp_bn10
Thanks for the article, it's always different between being "secure" and letting security "touch someone".
On balance, the 1970's seems to be a fairly happy decade for the United States. One would have to seriously rewrite history and people's memory to turn it into a frightening and insecure time.