Possible Clues:

• Sold chances
• Airmen took flight offered by chance?
• Somehow disposed of, one part of armed forces disappeared
• Drew by chance ran after service
• Servicemen took flight offered as prize in draw
• Offered as a door prize, say
• Offered to chance purchasers, fliers went fast
• Like some party prizes
• Gave away, in a way
• This gets drawn back a long way before it ran away