WAVES ACROSS SPACE
communications on different channels, or one at a time, while maintaining complete data and voice isolation among the differ- ent security classification levels.
During the Handheld, Manpack Small Form-Fit operational test at Fort Bragg, North Carolina, and the Joint Readiness Test Command rotation in Fort Polk, Louisiana, both in 2021, Soldiers with the 1st Brigade Combat Team, 82nd Airborne Division successfully experimented with WREN TSM on Manpacks as part of the Integrated Tactical Network. By having WREN TSM integrated with the Android tactical assault kit device, Soldiers could transport critical location information and voice and free text on either classification level, all to enhance situational awareness. Te Army plans to field WREN TSM with Capability Set 23.
“Te critical need for SBU [transmis- sion] cannot be overemphasized because it provides Soldiers with a secure form of communicating data in an unclassified environment,” said Lt. Col. Raymond Yu, product manager for the Handheld, Manpack Small Form-Fit. “Coupling secret-and-below and SBU enables support for secure data transmission to U.S. and coalition forces at both classification levels.”
Te newest WREN capability, called the WREN-Narrowband (NB), goes a step further. It adds extended communica- tions, including air-to-ground, air-to-air and electronic warfare resiliency protec- tion, and supports anti-jamming and low probability of intercept capabilities. WREN-NB is planned to field with Capa- bility Set 25.
DESIGNED FOR FUTURE CONFLICTS Te Army’s greatest challenges to wave- form enhancement and integration lie in
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LEADER RADIOS, LEAD THE WAY
A Soldier with the 1st Brigade, 82nd Airborne Division conducts radio operations using a two-channel leader radio on March 8 at Fort Polk, Louisiana. Leader radios, a critical component to the Capability Set 21 Integrated Tactical Network, enable multipath communications for Soldiers in all environments across all echelons. (Photo by 82nd Airborne Division)
the areas of low probability of detection (LPD), low probability of intercept (LPI), low probability of geolocation (LPG), and anti-jam capabilities that can outpace adversary threat capabilities.
Anti-jam capabilities either evade interfer- ence using frequency-hopping technologies or by using spread-spectrum technologies to reduce the effects of interference. LPI and LPD capabilities minimize the spec- tral presence of the waveform to avoid detection and interference, while balanc- ing throughput and range.
To equip the Army with LPI-, LPD- and LPG-capable waveforms, Product Manager Waveforms is currently work- ing with DOD research and development agencies, the Office of the Undersecretary
of Defense, Army test centers and commer- cial industry. Te team is assessing and evaluating state-of-the-art waveforms and advanced capabilities that have unin- terrupted, nondegradable networks in a congested and contested electromagnetic environment. Te team conducted an initial evaluation of candidate commer- cial waveforms that assess LPI, LPD and electronic warfare in a congested and contested electromagnetic environment. Following that, Product Manager Wave- forms developed large-scale radio network capability, which addressed congested electromagnetic environment under sophisticated threat scenarios anticipated from near-peer adversaries.
Evaluation of electronic warfare resil- iency, range, scalability and bandwidth
Army AL&T Magazine Winter 2022
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