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.
Feces, also spelled faeces, also called excrement, solid bodily waste discharged from the large intestine through the anus during defecation. Feces are normally removed from the body one or two times a day. About 100 to 250 grams (3 to 8 ounces) of feces are excreted by a human adult daily. 1  Normally, feces are made up of 75 percent water and 25 percent solid matter. 2  Many diseases and disorders can affect bowel function and produce abnormalities in the feces.