Some good rules of thumb: It is always, always, always the case that: If there are three names given, one capitalized, the second lower case, and the third is in single quotations you have respectively the genus, species and cultivar names.
Additional Reading: Noncommissioned officers (NCOs) are the primary trainers of enlisted Soldiers, crews, and small teams. Their experience and knowledge are critical to determining the right collective tasks for the unit to train.
Every Marine is first and foremost, a rifleman, but every Marine also has a specific job assignment in the Corps called a Military Occupational Specialty, or MOS. These specialties are assigned to individuals based on their personal preferences, their ASVAB scores, and most importantly, the needs of the Corps.