So…. The F-22 uses Link-16…

http://www.aviationweek.com/Article.aspx?id=/article-xml/awx_02_25_2014_p0-666721.xml

The company recently showcased a new datalink capability for the fighters through Project Missouri, a proprietary program. During the demonstration, Lockheed validated the use of a Link 16 transmit capability from the twin-engine F-22 Raptor as well as showcased a waveform developed by L-3 Communications and optimized for low-probability-of-intercept/low-probability-of-detection transmissions (LPI/LPD), says Ron Bessire, vice president of technology and innovation at the company’s Skunk Works.

“We demonstrated the data was being transmitted at a high rate, [enough] to support rapid update of the air tracks to whomever was on Link 16,” Bessire says

Bessire said the “LPI/LPD waveform still needs some additional maturation,” Equipment and the optics for the waveform are at a technology readiness level of 9, he said, indicating more work needs to be done before it can be proven in a relevant environment and garner full programmatic status at the Pentagon. The F-22 is, however, able to use its existing apertures to operate the waveform, he said.

Installation of a so-called “open system architecture” (OSA) rack and the radio took place within a year of starting the effort to add Link 16 to the Raptor, Bessire said.

So, right now its L-16, with Lockheed promising more (sound familiar) down the line…