Air Marshal is a three-star rank in the Royal Air Force. It is the second most senior rank active in the RAF today, after the inactivation of Marshal of the Royal Air Force[?] as a substantive rank in peacetime[?] during defence cuts of the 1990s.
... a proton-motive force, pumping H+ ions across the membrane; this produces a concentration gradient which can be used to power ATP synthase. This pathway is known as cyclic ...