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Towards an unmanned air combat capability (part 2)

Posted By on February 10, 2014 @ 14:30

An X-47B Unmanned Combat Air System launches from the aircraft carrier USS George H.W. Bush [1] My last post [2] discussed the new air combat era of integrated manned and unmanned aircraft operations. There’s a clear technology push for the ADF to acquire Strike/ISR UAVs. But before that happens, there needs to be a compelling strategic pull. Just because other, comparable, middle power nations are doing this doesn’t necessarily mean we should.

The ADF currently operates the Heron [3] (Air Force) and Shadow [4] (Army) UAVs in Afghanistan. The Heron capability is leased until mid-2014 [5] and apparently won’t be retained. By contrast the short range, low altitude, low endurance Shadow, acquired under the troubled Joint Project 129 [6], is now firmly embedded in Army.

Later this decade Defence plans to acquire several Triton [7] high altitude UAVs being developed by the USN for maritime surveillance tasks and to complement the P-8 Poseidon maritime patrol aircraft. Triton—the maritime patrol version of the Global Hawk—will provide excellent wide-area overwater surface surveillance but is less suitable for overland tasks, doesn’t provide as reliable video surveillance as other UAVs now do, and may not be survivable in a high air threat environment.  Like many UAVs, Triton is a single use platform, and not a cheap one.

On the air combat side, the intentions are to acquire 100 JSFs. This single monolithic solution creates a big homogenous fleet of highly capable fast jets but is a big bet in assuming that one aircraft type can meet all future air combat needs and offers little capability diversity.

And therein lies the rub. The 100 JSF are clearly focussed on meeting improbable high-order threats rather than more likely ones. There’s a danger Air Force could be largely irrelevant to the operations the ADF is actually called on for. This concern is echoed in John Blaxland’s recent book [8] where ex-Army Chief Peter Leahy opines that apart from air transport, the Air Force was ‘largely unable to make a contribution to the operations [in the 1980s and the 1990s] the Army was called upon to grapple with’. (p.137) The RAAF’s Air Power Development Centre neatly identifies [9] the problem:

…the probability of state-on-state conflict occurring is fairly low, although it cannot be dismissed outright; in order to remain strategically influential and to be considered a critical element of national security, air forces need to have full spectrum capability [that is also] effective in irregular wars, the most probable kind of future conflict…

In short, Air Force needs to stay relevant – a major theme of CAF’s recent ASPI speech [10] (PDF).

A possible solution is to embrace the UAV revolution and build a mixed manned and unmanned air combat capability that’s effective across the complete conflict spectrum.  A judicious range of Strike/ISR UAVs can be both important in irregular wars while most usefully complementing manned aircraft in major state-on-state wars.  As the last post discussed, Strike/ISR UAVs are now suitable for many missions across the conflict spectrum and offer operational advantages that manned aircraft do not have. Such a heterogeneous air combat structure would be characterised by diversity and variety, rather than the uniformity and homogeneity of the solely-JSF option.

In some respects this approach is already evident [11] in the progressive development over the last decade of the RAAF’s air transport capability fleet of 10 C-27J light tactical [11] transport aircraft, 12 C-130J [12] medium transport aircraft, two Boeing 737 [13] and three Challenger [14] VIP transport aircraft, five KC-30A [15] tanker/transport aircraft and six C-17 [16] heavy lift aircraft.  This heterogeneous air transport force can arguably better handle a greater diversity and range of operational tasks than a large, single type homogenous fleet, although at the price of increased life-cycle costs.

Affordability is a real issue for heterogeneous force structures.  Economies of scale favour a single type fleet. Countering this is that an individual JSF is markedly more expensive to acquire and maintain than an individual UAV, although the higher attrition rate of UAVs makes the calculus closer than may initial be thought.  A careful mix of expensive and low cost systems may not be more costly than a single large fleet of expensive platforms.

Affordability constraints suggest a heterogeneous force structure would be thin. It might provide broad coverage in being useful in many circumstances but it would lack large numbers of platforms in each role.  This contrasts with the 100 JSF option, which would be deep but useful only in a relatively narrow range of situations.  At times, however, quantity might have a quality all of its own [17]. In thinking about these worse case situations, it’s notable that the USAF and USN consider limited numbers of high-end UAVs a significantly help to manned aircraft in achieving their missions.

Lastly, there are some worries [18] over the current use of drones in counterterrorism operations, in terms of being ethical and legally sound.  These are important issues for Western forces seeking the moral high ground.  With UAVs being simply remotely piloted aircraft, it may seem unusual that manned aircraft (and missiles) that use the same technology are not also being so scrutinised.  The matter may be more about how some UAVs are currently used [18] than their technology.

The era of defence forces operating integrated fleets of manned and unmanned aircraft is here. The forthcoming Defence White Paper offers a unique opportunity to create an air combat capability useful across the conflict spectrum, not just one narrow part. An irrevocable financial commitment  to the 100 JSF option may shut the door on such an approach for some time. Perhaps the Air Power Development Centre should have the last word [9] on the usefulness of a heterogeneous air combat force structure:

The need of the hour is for middle-power, full-spectrum capable air forces to ensure that they are not reduced to a tactical tool of strategic insignificance.

Peter Layton is an independent researcher completing a PhD on grand strategy at UNSW. He has been an associate professor at the US National Defense University. Image courtesy of Flickr user Official U.S. Navy Page [19].



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URL to article: /towards-an-unmanned-air-combat-capability-part-2/

URLs in this post:

[1] Image: https://aspistrategist.ru/wp-content/uploads/2014/02/X-47B.jpg

[2] last post: https://aspistrategist.ru/towards-an-unmanned-air-combat-capability-part-1/

[3] Heron: http://www.rusinsw.org.au/Papers/20130827.pdf

[4] Shadow: http://www.flightglobal.com/news/articles/australian-shadow-200-uav-commences-afghan-operations-371451/

[5] leased until mid-2014: http://www.minister.defence.gov.au/2013/12/11/australia-extends-heron-mission-in-southern-afghanistan/

[6] the troubled Joint Project 129: http://www.defenseindustrydaily.com/iais-iview-uav-partners-wins-australias-jp129-contract-updated-01620/

[7] Triton: http://www.naval-technology.com/projects/mq-4c-triton-bams-uas-us/

[8] recent book: http://www.cambridge.org/tv/academic/subjects/history/australian-history/australian-army-whitlam-howard

[9] neatly identifies: http://airpower.airforce.gov.au/publications/Details/555/211-Future-Wars-and-Air-Power.aspx?p=print

[10] CAF’s recent ASPI speech: http://www.airforce.gov.au/docs/CAF-address-ASPI-Dinner-10Oct13.pdf

[11] already evident: http://news.defence.gov.au/2013/12/19/maiden-flight-of-the-first-australia-c-27j-battlefield-airlifter/

[12] 12 C-130J: http://www.airforce.gov.au/Technology/Aircraft/C-130_Hercules/?RAAF-EPzAnXmgjWuyTq8XSZbcAUaUIYIcntiB

[13] Boeing 737: http://www.airforce.gov.au/Technology/Aircraft/Boeing-Business-Jet/?RAAF-PUCwx8SHyhbwLuI3DXQI1Jr2t6wx4AV3

[14] Challenger: http://www.airforce.gov.au/Technology/Aircraft/Challenger-CL-604/?RAAF-QuvXzzhcggJm83SkNVAcHzcE92aMHPsc

[15] KC-30A: http://www.airforce.gov.au/Technology/Aircraft/KC-30A/?RAAF-mqVOdY4RK4Yc3QG06xtPhhp7asTRVUyC

[16] C-17: http://www.airforce.gov.au/Technology/Aircraft/C-17-Globemaster/?RAAF-h0719xJ/eXjMFO8eLULT2D7U+C9pXnFB

[17] quantity might have a quality all of its own: https://aspistrategist.ru/geek-of-the-week-frederick-lanchester-and-why-quantity-is-a-quality/

[18] some worries: http://www.economist.com/node/21524876

[19] Official U.S. Navy Page: http://www.flickr.com/photos/usnavy/

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