"He was in possession of pipe bombs"

News 4 reveals the 2 Muslims arrested near the Goose Creek Naval Weapons Station have been charged:

Twenty four year old Ahmed Mohamed and 21 year old Yousef Megahed
arrived in court under tight security.The two were arrested on Saturday
following a traffic stop in Goose Creek. The two are charged with possession of
an explosive device. "He was in possession of pipe bombs, and materials used to
make other bombs," said 9th Circuit Solicitor Scarlett Wilson...

One unanswered question, what were the pair doing in Goose Creek?

I got your answer right here. And Riehl World View is all over this story.