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.
pebble. 1  a small stone worn smooth and round, as by the action of water. 2  clear, transparent quartz or a lens made from it. 3  a surface grain of pebbly appearance, artificially produced on leather (pebble leather), paper, etc.