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.
Drill instructors within the U.S. armed forces have different titles in each branch of service. In the United States Air Force, they are known as Military Training Instructors, or MTIs. The United States Navy refers to their drill instructors as Recruit Division Commanders, or RDCs. Within the United States Army, drill instructors are given the title of Drill Sergeant. The United States Coast Guard gives the title of Company Commander to their drill instructors.