JNLP - Java Network Language Protocal

http://www.windowsreference.com/google-chrome/google-chrome-doesnt-launch-jnlp-files-automatically/

CHUM (Chart Updating Manual)

https://www1.nga.mil/ProductsServices/Aeronautical/echum/Pages/default.aspx

SD Card (Secure Digital Card)

http://en.wikipedia.org/wiki/Secure_Digital

A non-volatile memory card format for use in portable devices.

NIEM (National Information Exchange Model)

http://en.wikipedia.org/wiki/NIEM

http://www.niem.gov/whatIsNiem.php

An XML-based information exchange framework for the United States.

IOPS (Input/Output Operation Per Second)

http://en.wikipedia.org/wiki/IOPS

A common benchmark for drives and other computer storage devices.  Can be measured with Iometer (Intel), IOzone and FIO.

Common performance characteristics:

• Total IOPS
• Random Read IOPS
• Random Write IOPS
• Sequential Read IOPS
• Sequential Write IOPS

UTC (Coordinated Universal Time)

http://en.wikipedia.org/wiki/Coordinated_Universal_Time

It would be said "Universal Time, Coordinated" unofficially.