Ron Geren's new book, Applying the Building Code: Step-by-Step Guidance for Design and Building Professionals, is now available through several sources and in multiple formats. Here is a list of sources where the paperback version of the book can currently be purchased:
A first class score on the United States Marine Corps Physical Fitness Test is defined by one's age, and indicates the low end of a range up to the perfect score of 300: Ages 17 - 26: 225-300. Ages 27 - 39: 200-300. Ages 40 - 45: 175 - 300.
Master Gunnery Sergeant/Sergeant Major (E-9) - 10 years TIS and 3 years TIG; The Difference in the USMC E-8 (Master Sergeant and First Sergeant) Master Sergeants and First Sergeants in the Marine Corps are paid the same (both are E-8s). However, the First Sergeant has a much larger degree of authority and responsibility. The First Sergeant wears special rank (with a diamond), and is the top enlisted leader in the unit. First sergeants work directly for the unit commander and are responsible for the morale, welfare, and discipline of all of the enlisted members assigned to the unit.