Written by David Lance Goines, he uses the excerpt "Let Sleeping Dogs Lie" to critize the draft board and how he did to avoid going into compulsory military service in Vietnam once he got drafted, when he got selected once he was already an anti-war writter and had anti-war sentiments.
The author is giving details and purpose to this event and is inviting people to come to attend it. They even tell you how you can get to the event and about the designated "drop zones".
Well he might be frightened because of the words he is using to describe what is happening. He uses the word pitifully thin which might make him frightened because he just woke up from a dream.