Sailors assigned to Navy Explosive Disposal Mobile Unit 5, Detachment Marianas, are about to get a history lesson. Everybody else is about to get out of the way. Beginning at 3 p.m. local time Thursday, the area surrounding Naval Base Guam Ordnance Annex will be evacuated to allow for a “render safe” procedure on a 500-pound, World War II-era bomb found earlier this week, according to this Naval Base Guam Facebook post. The bomb was discovered at a construction site near the entrance to the annex, formerly known as Naval Magazine Guam. Anyone within 2,150 feet of the construction site…