The above mentioned information is taken from: http://en.wikipedia.org/wiki/Destin-Fort_Walton_Beach_Airport.
The most common type of cascade type thrust reverser system in use today for an aircraft fan gas turbine jet engine employs a forward fixed cowl portion and a translating sleeve which carries a plurality of circumferentially arranged blocker doors on its inner skin surface.
A caul or cowl (Latin: Caput galeatum, literally, helmeted head) is a piece of membrane that can cover a newborn's head and face. Birth with a caul is rare, occurring in fewer than 1 in 80,000 births. The caul is harmless and is immediately removed by the physician or midwife upon delivery of the child. The en-caul birth, not to be confused with the caul birth, occurs when the infant is born inside the entire amniotic sac.