Balloon assault.

Was reading the cliff assault pamphlet and came across this... Is there any evidence this was used?

Combined Operations Pamphlet No. 24
Cliff Assaults
Type - Balloon

How Employed - Naval kite balloons are flown off shore at a suitable operational height (500) feet the leader is attached to the cable by a parachute harness at a height slightly greater than the height of the cliff. One to three balloons are used to give the nessercary lift, depending on wind force. The balloons are flown ashore attached to a winch in a boat or amphibious vehicle. Leader drops off onto cliff top, balloon is then used to lift remainder.

Factors (For) - (a) Silent. (b) First man quickly up. (c) virtually no ceiling.

Factors (Against) - (a) Balloon is vunerable to small arms fire. (b) Can easily be picked up by enemy radar. (c) Difficult to handle. (d) Can only operate with onshore wind.