JED - October 2016 - 35

Expendable Decoys Directorate, IDS
utilizes a lightweight, non-penetrative 36-tube launcher mount able to
fire Long Range Chaff Rocket (LRCR)
confusion chaff, MRCR distraction
chaff, BT-4 seduction chaff, Heatrap
IR seduction decoys, WIZARD corner
reflectors, and LESCUT acoustic countermeasures rounds.

NGDS IN SERVICE

An NGDS launcher on board the French Navy
Horizon frigate Chevalier Paul. (Richard Scott/
NAVYPIX)

12 tubes, with groups of three barrels
angled at 10°, 40°, 60° and 135°.
DL-6T and DL-12T firing angles were
selected on the basis of extensive modelling performed by the Danish Defence
Research Establishment. The tubes are
elevated at 45 degrees, enabling firing
of either mortar or rocket-propelled 130mm decoy types.

CENTURION APPROACHING
The option to utilize a fully trainable
launcher has hitherto been unavailable
to those navies using the widely-sold
SRBOC/NATO Sea Gnat family of 130-mm
countermeasures cartridges. Recognizing this gap, Chemring Countermeasures
in 2009 began private venture development of its Centurion launcher concept
with the objective of engineering a
trainable system that is fully compatible with existing 130-mm rounds, but
also able to optimize the performance
of its new 130-mm chaff and IR variable
range cartridges. Following early trials
of an "Alpha" prototype, Chemring has
invested its own funds in the manufaccontinued on page 38

STANDING GUARD
Denmark's Terma continues to market its C-Guard 130-mm countermeasures system - previously known as the
Soft-Kill Weapon System -
having to date sold over
150 systems
worldw ide.
Customers for
either the full system, or the inboard
decoy launch control system alone, include the Australian, Columbian, Chilean, Danish,
Indonesian, Netherlands, Norwegian,
Romanian and US navies. 
While based on fixed launcher sets,
Terma has sought to address the limitations of the Mk 36 DLS by offering alterative DL-6T and DL-12T multi-angular
barrel sets. DL-6T launchers are fitted
with six tubes, with pairs angled to 20°,
40° and 135° in the azimuth plane relative to the ship's head. The larger DL12T launcher group is configured with

The Centurion launcher comprises 12
vertically-stowed barrels on a rotating plinth.
The launcher trains on to the appropriate
bearing and then depresses the selected
launcher barrel to the desired firing angle as
determined by the system firing algorithms.
(Chemring)

The Journal of Electronic Defense | October 2016

Now a product in the portfolio of
French systems and sensors group Sagem, the New Generation Dagaie System
(NGDS) was developed as the successor
to the widely sold Dagaie and Dagaie Mk
2 decoy systems. Adopting a modular
philosophy, NGDS is compatible with a
range of decoy rocket types, and will be
capable of providing full co-ordination
between anti-missile and anti-torpedo
functions.
NGDS uses a twin-axis launcher
trainable in elevation and azimuth to
enable accurate decoy placement to
counter specific threat types. To meet
the specific needs of the French Navy,
countermeasures specialist Lacroix Defense has developed a new generation
of NGDS-compatible SEALEM and SEALIR
decoy rockets respectively deploying
advanced RF and IR payloads. With a
variable range between 100 meters and
3,000 meters, these are suitable for use
in seduction, distraction or confusion
modes according to the selected range,
deployment pattern and burst point.
NGDS has been installed on the
French Navy's two new Horizon anti-air
warfare frigates, and is also being fit-

ted to the new FREMM frigates delivered
to the French, Moroccan and Egyptian
navies. In addition, variants of NGDS
have been introduced to service on the
Republic of Singapore Navy's FormidableClass frigates and its upgraded VictoryClass missile corvettes.
The earlier Dagaie line was sold to 18
navies worldwide. In its original form,
the trainable Dagaie launcher carries
10 "suitcases" containing either chaff
(LEM) or IR (LIR) mortar-fired payloads
for missile seduction. On the Mk 2 system, the two central "suitcases" were
removed and replaced by a pair of threebarrel modules for the REM chaff rocket, which provides chaff blooms in the
confusion and distraction modes. The
Mk 2 launcher also incorporated a new
supervision unit, enhancements to the
data processing unit, and adaptations
to servo control and power supply units.
Lacroix has developed a Dagaie upgrade path, known as Dagaie NG. This
replaces the suitcases associated with
the LEM and LIR munitions, and instead
introduces two six-barrel launcher sets
common to the company's Sylena softkill system. Sylena is a fixed, lightweight launcher system designed for
small-ship applications.

35



JED - October 2016

Table of Contents for the Digital Edition of JED - October 2016

The View From Here
Conferences Calendar
Courses Calendar
From the President
The Monitor
World Report
Bait in the Trap: Trainable Soft-Kill Systems Proliferate for ASMD
2017 EW/SIGINT Resource Guide
SIGINT History
EW 101
AOC News
Index to Advertisers
JED Quick Look
JED - October 2016 - cover1
JED - October 2016 - cover2
JED - October 2016 - 3
JED - October 2016 - 4
JED - October 2016 - 5
JED - October 2016 - The View From Here
JED - October 2016 - 7
JED - October 2016 - Conferences Calendar
JED - October 2016 - 9
JED - October 2016 - Courses Calendar
JED - October 2016 - 11
JED - October 2016 - From the President
JED - October 2016 - 13
JED - October 2016 - 14
JED - October 2016 - The Monitor
JED - October 2016 - insert1
JED - October 2016 - insert2
JED - October 2016 - 16
JED - October 2016 - 17
JED - October 2016 - 18
JED - October 2016 - 19
JED - October 2016 - 20
JED - October 2016 - 21
JED - October 2016 - World Report
JED - October 2016 - 23
JED - October 2016 - Bait in the Trap: Trainable Soft-Kill Systems Proliferate for ASMD
JED - October 2016 - 25
JED - October 2016 - 26
JED - October 2016 - 27
JED - October 2016 - 28
JED - October 2016 - 29
JED - October 2016 - 30
JED - October 2016 - 31
JED - October 2016 - 32
JED - October 2016 - 33
JED - October 2016 - 34
JED - October 2016 - 35
JED - October 2016 - 36
JED - October 2016 - 37
JED - October 2016 - 38
JED - October 2016 - 39
JED - October 2016 - 2017 EW/SIGINT Resource Guide
JED - October 2016 - 41
JED - October 2016 - 42
JED - October 2016 - 43
JED - October 2016 - 44
JED - October 2016 - 45
JED - October 2016 - 46
JED - October 2016 - 47
JED - October 2016 - 48
JED - October 2016 - 49
JED - October 2016 - 50
JED - October 2016 - 51
JED - October 2016 - 52
JED - October 2016 - 53
JED - October 2016 - 54
JED - October 2016 - 55
JED - October 2016 - 56
JED - October 2016 - 57
JED - October 2016 - 58
JED - October 2016 - 59
JED - October 2016 - 60
JED - October 2016 - 61
JED - October 2016 - 62
JED - October 2016 - 63
JED - October 2016 - 64
JED - October 2016 - SIGINT History
JED - October 2016 - 66
JED - October 2016 - 67
JED - October 2016 - EW 101
JED - October 2016 - 69
JED - October 2016 - AOC News
JED - October 2016 - 71
JED - October 2016 - Index to Advertisers
JED - October 2016 - 73
JED - October 2016 - JED Quick Look
JED - October 2016 - cover3
JED - October 2016 - cover4
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