00:00Common sense tells you this is dangerous and foolish.
00:10You wouldn't risk your neck in a trick like this.
00:13Common sense tells us that being shot out of a cannon is dangerous business.
00:17Common sense tells you not to be careless at an airfield with propellers and jet engines in action.
00:22Handling dynamite, this too looks dangerous.
00:25We give an everyday job to these men because they observe common sense safety precautions.
00:30But sometimes we forget that security violations can be dangerous business too.
00:35If classified information about this test mission fell into enemy hands,
00:39the consequences could be disastrous to all of us, individually and collectively as a nation.
00:44Security is only common sense.
00:47Don't take chances. Avoid loose talk.
00:49Safeguard classified information.
00:52Report security violations at once.
00:54Prompt action may prevent a minor incident from developing into a serious one.
00:58Avoid writing about classified material in letters home.
01:01Be sure you're secure. Don't be careless.
01:05I hate a careless man.
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