on the wing

Prepositional phrase

 * 1) While flying.
 * 2)  During operation.
 * 3)  In motion.
 * 4)  Departing.
 * 1)  During operation.
 * 2)  In motion.
 * 3)  Departing.
 * 1)  In motion.
 * 2)  Departing.
 * 1)  Departing.