For most units, planning leave is like planning your vacation with a civilian job. You talk with your boss, make sure everything is covered, fill out the forms, get it approved, etc. It's not a big deal. I took a month off to go tour Europe once when I was in the Army.
defecate. 1  to void excrement from the bowels through the anus; have a bowel movement. 2  to become clear of dregs, impurities, etc. 3  to clear of dregs, impurities, etc.; purify; refine.
Definition of dehydrate. 1  transitive verb. 2  1a : to remove bound water or hydrogen and oxygen from (a chemical compound) in the proportion in which they form waterb : to remove water from (something, such as a food) 3  2 : to deprive of vitality or savor. 4  intransitive verb. : 5  to lose water or body fluids.