Squad Leader. The Squad Leader is in command of the squad and issues orders to the Fire Team Leaders. The Squad Leader is armed with either the M4 MWS or the M16A4, as well as an assortment of grenades.
Substituting the recommended 8 cups of water with 8 cups of green tea could lead to excess caffeine consumption. Drinking too much green tea can cause you to feel jittery, have trouble sleeping, experience diarrhea or constipation, or have feelings of nausea or a general sense of restlessness.
You couldn't drink the water in Tudor times because it was impure so people drank ale, beer and wine. The poor drank beer/ale and the rich drank wine. The alcohol in those drinks lessened the chance of the drinker getting a water-born disease.