#DiskNumber should be the DiskNumber of the USB drive you're partitioning. Be sure to confirm this before completing these steps, otherwise you may format the wrong drive!

#DriveLetter should be set to any drive letters not currently in use on your technician computer

New-Partition –DiskNumber 1 -Size 1gb -DriveLetter J

Format-Volume -DriveLetter J -FileSystem Fat32 -NewFileSystemLabel WinPE

New-Partition –DiskNumber 1 –UseMaximumSize -DriveLetter K

Format-Volume -DriveLetter K -FileSystem NTFS-NewFileSystemLabel Images