The Weather Underground shows up in the May Day ads as well
Pic related, #2
Lyric from Bob Dylan's 'Subterranean Homesick Blues' was the origin of the name of the Weather Underground, a radical left militant organization that conducted bombings, riots, arson, etc.
>https://en.wikipedia.org/wiki/Weather_Underground
David Farragut was the first rear admiral, vice admiral, and admiral in the US Navy.
>https://en.wikipedia.org/wiki/David_Farragut
Shore battery = Coastal artillery = The branch of the armed forces concerned with operating anti-ship artillery or fixed gun batteries in coastal fortifications.
>https://en.wikipedia.org/wiki/Coastal_artillery
Keep in mind what it's saying:
Weather Underground
David Farragut/US Navy
Shore Battery
Then compare
Relevant happenings around time of this particular May Day ad (print date Sept 14 1987):
10/16/1987 - Iran Missile Hits a Gulf Tanker Owned in US >http://archive.is/Cki8x
10/19/1987 - Operation Nimble Archer >http://archive.fo/MBqx6
11/23/1987 - Iranian Raids Set Two Ships Ablaze >http://archive.fo/CZ2MN