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 bags , when they had to `` go '' `` Piddle packs '' blamed for at least two crashes over the years , not always tidy . Advanced Mission Extender Device , or AMXD , a new system for pilots . Air Force bought its first 300 units for U.S. pilots at $ 2,000 each .