The R&D Electronics launched the IronDrive, a portable storage solution that can withstand just about anything you might throw at it. The IronDrive has been tested for high temperature, shock, vibration, caustic agents, submersion, EMI, and nuclear stresses, being a very interesting solution for both military and commercial environments.

And the technical data is amazing:

Dimensions
        Length: 4 Inch Overall Length with Connector
        Weight:  5.8 Ounces (164 Grams)
Memory Capacity
        Standard 1 GB
        32 MB to 4 GB Available
Compatibility
        USB 2.0
Performance
        20 MB/ Second Read   10 MB/ Second Write
Reliability
        MTBF up to 4.66 million hours
        Rated to 5,000,000 write/erase cycles
        On the fly EDC/ECC: Up to 4 errors per page
Power Consumption
        100mA (typ when active), 5VDC
Encryption Provisions
        DES/3DES, SHA-1, RSA, AES
Operating Systems Supported
        Win XP Embedded, Win POS, Win CE, Win XP Pro, Linux, VxWorks
Temperature Range
        Operating -40 F (-40 C) to +185 F (+85C)
        Storage   -67 F (-55 C) to +203 F (+95C)
Testing
        Meets or Exceeds MIL STD 810E
        9 G's at three major axis for Shock
        Nuclear Effects Per MIS – 30225
Military to Std USB
        Mil Connector to Standard USB Interface Cable Available – Std Length 12 inches

A price for the IronDrive isn't available on the website of R&D Electronics.