Unmanned Aircraft Systems Roadmap 2005-2030 - Federation of ...
Unmanned Aircraft Systems Roadmap 2005-2030 - Federation of ... Unmanned Aircraft Systems Roadmap 2005-2030 - Federation of ...
UAS ROADMAP 2005 of expendables. In developing unmanned systems for the EA mission, the following attributes are being considered: � The ability to build a very stealthy unmanned vehicle could mean closer approaches to targeted systems, requiring less radiated power to complete the EA mission, and the ability to detect and exploit much lower levels of targeted system radiation. � The potential use of high power directed energy (DE) weapons or electro-magnetic pulse (EMP) weapons in future EA missions argues for the use of an unmanned platform, since the weapon may pose a significant risk to the crew of any delivery vehicle. The use of unmanned systems in the EA mission also brings several challenges: � When using EA to neutralize defenses in support of manned strike forces it will be critical for the SEAD UA to be within sufficient range to be effective. A trade-off between EA effectiveness and survivability needs to be fully understood in a systems engineering trade. � An UA is more dependent upon outside communications than manned systems. Self-jamming (interference with command and control communications by electronic attack emissions) could limit the ability to change the unmanned system’s planned mission once the electronic attack has begun. • The potential for self-jamming and increased vulnerability due to a dependence upon communications mean a great degree of autonomy will be required in the unmanned EA system. � A manned EA aircraft provides the ability for a trained crew to evaluate large amounts of tactical data on the threat environment and to change the mission plan as required for strike support. The appearance of previously unknown threat defensive system modes, frequencies, or tactics may only be detected by the human operator’s ability to recognize patterns in the context of previous experience – a very difficult, and as yet undeveloped, ability for autonomous systems. • Without the development of autonomous EA operating capability, the transmission of large amounts of data, describing the tactical environment, must be provided to remote human operators in real time. These large transmissions would be limited by available bandwidth and self-jamming and could increase the unmanned system’s vulnerability. � A signature-controlled vehicle loses the advantage of stealth when radiating. “Home On Jam” threat systems could put the unmanned EA aircraft at risk. � Execution of the Electronic Attack mission implies several critical design criteria and questions for the unmanned platform and mission control system: • Mission reliability must be extremely high, as manned assets will depend upon the UA for protection. • The trade-off between effective apertures for the radiation of jamming electronic energy will have to be balanced against the negative impact on the signature and survivability of the unmanned system. • The EA mission will require a highly autonomous system that can operate and handle aircraftrelated and mission-related contingencies while unable to communicate with the mission control system (due to self-jamming and covert operations). � Reaction time from detection to neutralization of the enemy defenses must be very short. • Enemy defensive system operations must be detected and countered rapidly. • When using EA to neutralize defenses in support of manned strike forces, it will be critical for the UA to be within sufficient range to be effective. A trade-off between EA effectiveness and survivability needs to fully explored. � The EA mission implies the integration of manned and unmanned aircraft in a single strike event. � Robust, anti-jam data links are required. APPENDIX A – MISSIONS Page A-7
UAS ROADMAP 2005 � The amount of energy required for effective EA is large unless the delivery platform is in very close proximity. The ability to generate this large amount of power could drive up aircraft size and cost. In addition, an aircraft small enough to be unobserved in close proximity to the target may not have the mobility (speed and range) to close the target or to persist in the target area for a sufficient amount of time. These considerations argue for the use of expendable jammers from unmanned aircraft as one means of delivering low cost EA performance. Electronic Attack summary. DoD is advancing the development of an EA UA capability. Initial study indicates that there are both significant potential unmanned system strengths and significant challenges to be overcome for this mission. New unmanned systems will add new options in the application of force, and promises to both reduce the cost of our armed forces and to decrease the risk of friendly losses. It should be noted, that unmanned EA systems are not a complete replacement for manned EA aircraft. An unmanned EA aircraft can bring enhancements to mission capability (e.g. risk-free close approach to heavily defended targets) but will not have the autonomy required to completely replace manned systems in the foreseeable future. Research in autonomy will remain an emphasis area. Network Node/Communications Relay It is anticipated that communication relays will need to exist in a multi-tiered structure. For example, to create a wide communications footprint, the UA platform must have a capability of extremely long endurance, high altitude, and generate adequate power. It would provide an airborne augmentation to current tactical and operational beyond line-of-sight and line-of-sight retransmission capability. A more focused footprint to support brigade and below combat elements will require tactical communication relays to address urban canyon and complex terrain environments. Support of the communications relay mission will require continuous coverage in a 24 hour period, and sufficient redundancy to meet “assured connectivity” requirements. Additionally, UA must be capable of relaying VHF-AM radio voice communications using an International Civil Aviation Organization (ICAO) standard and recommended procedures (SARPs) compliant radio operating with 8.33 kHz channel spacing from the control station to airspace controller communication (threshold). The “shoulds and should nots” of an airborne communication node payload will be established by requirements documentation and approved in the Joint Staff requirements process. Any airborne communications node is likely to be a “Joint Program” due to the broad user base accessed by such systems. The inclusion of legacy formats and architectures will be established in any approved requirements document and receive input from the Assistant Secretary of Defense for Network Integration. Network node/comms relay summary. Payload requirements must be defined and meet all interoperability and network centric standards. Platform must stress availability of electrical power to provide sufficient throughput capacity that supports modern warfare requirements. Technology push in power extraction apertures and auxiliary power production needs to be emphasized. Aerial Delivery/Resupply The Special Operations community has been the leading advocate for using UA to delivery leaflets for its psychological operations (psyops), as well as to resupply its forces in the field. Dispensing leaflets has traditionally been performed from C-130s, but the altitudes required to ensure aircrew safety tend to scatter the leaflets over a wide area and reduce their effectiveness. Small SOF teams have to carry all of their equipment and supplies on their backs when they deploy, and the weights of dense materials (water, bullets, batteries) greatly reduce their mobility. USSOCOM has explored using UA for both of these aerial delivery/resupply missions. To address its psyops mission, USSOCOM developed the CQ-10 SnowGoose unmanned, powered, guided parasail (see section 2.3.5), capable of delivering 575 lb of leaflets with a 3-hour endurance, during the successive Wind Supported Aerial Delivery System (WSADS) and Air-Launched Extended APPENDIX A – MISSIONS Page A-8
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UAS ROADMAP <strong>2005</strong><br />
<strong>of</strong> expendables. In developing unmanned systems for the EA mission, the following attributes are being<br />
considered:<br />
� The ability to build a very stealthy unmanned vehicle could mean closer approaches to targeted<br />
systems, requiring less radiated power to complete the EA mission, and the ability to detect and<br />
exploit much lower levels <strong>of</strong> targeted system radiation.<br />
� The potential use <strong>of</strong> high power directed energy (DE) weapons or electro-magnetic pulse (EMP)<br />
weapons in future EA missions argues for the use <strong>of</strong> an unmanned platform, since the weapon may<br />
pose a significant risk to the crew <strong>of</strong> any delivery vehicle.<br />
The use <strong>of</strong> unmanned systems in the EA mission also brings several challenges:<br />
� When using EA to neutralize defenses in support <strong>of</strong> manned strike forces it will be critical for the<br />
SEAD UA to be within sufficient range to be effective. A trade-<strong>of</strong>f between EA effectiveness and<br />
survivability needs to be fully understood in a systems engineering trade.<br />
� An UA is more dependent upon outside communications than manned systems. Self-jamming<br />
(interference with command and control communications by electronic attack emissions) could limit<br />
the ability to change the unmanned system’s planned mission once the electronic attack has begun.<br />
• The potential for self-jamming and increased vulnerability due to a dependence upon<br />
communications mean a great degree <strong>of</strong> autonomy will be required in the unmanned EA system.<br />
� A manned EA aircraft provides the ability for a trained crew to evaluate large amounts <strong>of</strong> tactical data<br />
on the threat environment and to change the mission plan as required for strike support. The<br />
appearance <strong>of</strong> previously unknown threat defensive system modes, frequencies, or tactics may only<br />
be detected by the human operator’s ability to recognize patterns in the context <strong>of</strong> previous<br />
experience – a very difficult, and as yet undeveloped, ability for autonomous systems.<br />
• Without the development <strong>of</strong> autonomous EA operating capability, the transmission <strong>of</strong> large<br />
amounts <strong>of</strong> data, describing the tactical environment, must be provided to remote human<br />
operators in real time. These large transmissions would be limited by available bandwidth and<br />
self-jamming and could increase the unmanned system’s vulnerability.<br />
� A signature-controlled vehicle loses the advantage <strong>of</strong> stealth when radiating. “Home On Jam” threat<br />
systems could put the unmanned EA aircraft at risk.<br />
� Execution <strong>of</strong> the Electronic Attack mission implies several critical design criteria and questions for<br />
the unmanned platform and mission control system:<br />
• Mission reliability must be extremely high, as manned assets will depend upon the UA for<br />
protection.<br />
• The trade-<strong>of</strong>f between effective apertures for the radiation <strong>of</strong> jamming electronic energy will have<br />
to be balanced against the negative impact on the signature and survivability <strong>of</strong> the unmanned<br />
system.<br />
• The EA mission will require a highly autonomous system that can operate and handle aircraftrelated<br />
and mission-related contingencies while unable to communicate with the mission control<br />
system (due to self-jamming and covert operations).<br />
� Reaction time from detection to neutralization <strong>of</strong> the enemy defenses must be very short.<br />
• Enemy defensive system operations must be detected and countered rapidly.<br />
• When using EA to neutralize defenses in support <strong>of</strong> manned strike forces, it will be critical for the<br />
UA to be within sufficient range to be effective. A trade-<strong>of</strong>f between EA effectiveness and<br />
survivability needs to fully explored.<br />
� The EA mission implies the integration <strong>of</strong> manned and unmanned aircraft in a single strike event.<br />
� Robust, anti-jam data links are required.<br />
APPENDIX A – MISSIONS<br />
Page A-7