Harvie said the reviews have been positive from pilots of both genders . Fighter pilots used ` ` Piddle packs , '' heavy - duty packs , when they had to ` ` go '' ` ` Piddle packs '' blamed for at least two crashes over the years , not always tidy . ' Manual Extender Device , or AMXD , a new option for pilots . Air Force offered its first 300 kits for U.S. pilots at $ 2,000 each .
Fighter pilots used ` ` Piddle packs , '' heavy - duty packs , when they had to ` ` go '' ` ` Piddle packs '' blamed for at least two crashes over the years , not always tidy . ' Manual Extender Device , or AMXD , a new option for pilots . Air Force offered its first 300 kits for U.S. pilots at $ 2,000 each .