ALTERNATIVE ACQUISITION
LOW PROBABILITY, HIGH PRIORITY
Engineers with Project Manager Tactical Radios evaluate a commercial waveform that assesses low probability of intercept, low probability of detection and electronic warfare in a congested and contested waveform environment at Yuma Proving Ground, Arizona, in April. (Photo by Dr. Sayeed Hasan, PEO C3T)
networking waveform, i.e., comprising a group of devices that act as a single Wi-Fi network, that supports Internet Protocol data and voice simultaneously. It runs on the Manpack and Leader Radio two-chan- nel variants, so it can operate in multiple bands, allowing the user to switch frequen- cies, and multiple channel bandwidth modes, allowing the user to switch from 1.2 MHz up to as much as 10NHz, with support for up to 32 voice groups. Even though TSM is a line-of-sight terrestrial waveform, it allows every node to trans- mit, receive and relay data and location information simultaneously. For exam- ple, Soldier A positioned in a valley can connect to Soldier B on a mountaintop,
who from the mountaintop can connect to Soldier C on the other side of the moun- tain. Tese capabilities have provided an integral capability within the Integrated Tactical Network (ITN) Capability Set 21, which is now fielded to four infantry brigade combat teams and partially fielded to one Stryker brigade combat team.
“I'm a huge fan of the ITN network, specifically the TSM waveform,” said Lt. Col. Andy Harris, commander for 1st Battalion, 504 Parachute Infantry Regi- ment, part of the 1st Brigade Combat Team, 82nd Airborne Division. “The clarity of the communication, … that is just an outstanding capability that allows
[me] at the battalion command level to speak at echelon, to speak with echelons at the brigade and divisional level, and then …. my companies have that capa- bility as well.”
For transmissions classified Secret or below, Soldiers are using the Warrior Robust Enhanced Network (WREN) TSM waveform, which provides all of the same functions of TSM but is security hardened with NSA Type 1 cryptogra- phy for government use. Porting WREN TSM’s advanced commercial waveform into the Army’s tactical radios gives Soldiers the option to run both sensi- tive but unclassified (SBU) and secret
https://asc.ar my.mil 39
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