You should always go directly to your superior (and not your superior's superior!). This lets you know who reports to whom. Recruit, Drill Sergeant, Platoon Leader, Company Commander, Battalion Commander, Brigade Commander, Division Commander, Corps Commander, Army Chief of Staff, Secretary of the Army, Secretary of Defense, Commander-in-Chief (President).
Serg. Day is the last in the chain, the bottom of chain. Talking to her first then talk to whose next for the time being Serg. Reis. She wants people to come to her first, First last, last first. Then to the next up in the food chain. So many links to the chains its like a food chain. A food chain starts with the primary energy source, usually the sun or boiling-hot deep sea vents. The next link in the chain is an organism that make its own food from the primary energy source. The top