Army Times has an article on the 82nd Airborne leveraging TAK and cellular networks to build an integrated network. This is a long article. You might want to read the whole thing:
The gear will include lighter and faster communication equipment, battle-tracking applications on tablets and new ways to communicate with one another, as well as partner forces. By using a secure-but-unclassified architecture, soldiers can tap into commercial cellular networks, like 4G, and a greater range of wavelengths, depending on the electronic threat environment.