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New Vehicle Armor Developed to Defeat Explosively Formed Penetrators (EFPs)

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by David Crane
defrev at gmail.com

June 27, 2007

Earlier this month (June 2007), we published an article on an ad hoc anti-EFP (Explosively Formed Projectile a.k.a. Explosively Formed Penetrator) armoring solution utilizing glass laminate armor (a.k.a. bullet-resistant glass a.k.a. transparent armor) to destabilize the EFP and redirect its kinetic energy laterally via "spiderwebbing" (glass shattering laterally and vertically). Since that article was published, a couple of new developments have come to light.

First, on June 07, 2007, Ceradyne Vehicle Armor Systems announced in a press release its teaming with Ideal Innovations, Inc (I3) to introduce a "High-Threat Vehicle" called the "Bull". The Bull’s armor is specifically designed to stop EFPs from penetrating into the crew compartment. Right now, Ceradyne and Ideal Innovations (I3) are…

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keeping the Bull armor’s EFP-defeating mechanism a secret, however Defense Review is guessing (and this is pure conjecture at this point) that the armor system may involve a stand-off layer of armor with a space behind it. So, you’d have a space between the outer armor layer and the armored crew compartment. Again, this is pure speculation on our part, at this point. We have no confirmation/verification of this. They could also be staggering separated layers of steel or aluminum (or both) and ceramics (silicon carbide, boron carbide, etc.), and then spacing those away fromt he hull/crew compartment. Again, pure speculation.

The Bull High-Threat Vehicle a.k.a. Bull High-threat Armored Vehicle, according to Ceradyne, Inc., is intended to "complement the overall mission capabilities of the MRAP (Mine Resistant Ambush Protected) class of vehicles."


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Then, just yesterday, on June 26, 2007, InsideDefense Magazine reported that the U.S. Army Research Laboratory (ARL) has developed an anti-EFP vehicle armor kit (a.k.a. vehicular armor kit) designated "Fragmentation Kit 6" a.k.a. "Frag Kit 6".  ARL spokesman David Davison says that the ARL researchers are staying tight-lipped about the operative technology due to concerns about OPSEC (operational security), and the fact that it’s currently classified. However, Frag Kit #6 is cited as only "one of a number of capabilities currently fielded" by Army Brig. Gen. Steve Anderson, Deputy Chief of Staff for Resources and Sustainment at Multi-National Forces-Iraq.

There are apparently several variants of Frag Kit 6, including one for up-armored HMMWVs (a.k.a. up-armored Humvees) and MRAP vehicles. One reported negative aspect of the new armor kit is the added weight and width, which is as yet unspecified.

While the V-hull protects the bottom of MRAPs agains mines/IEDs, the Fragmentation Kit 6 will protect the sides and upper portions of the vehicles against this newer highly-penetrative anti-armor threat (EFPs). Frag Kit #6 apparently utilizes a layered armor approach where a combination of materials (metallic and ceramic armor, perhaps) work in concert to stop the Explosively Formed Penetrator. The goal of the kit is to essentially provide an "MRAP Explosively Formed Penetrator Total Defeat Capability."


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Company Contact Info:

Marc King, V.P. Armor Operations
Ceradyne, Inc.
3169 Red Hill Avenue
Costa Mesa, CA 92626
(202) 223-9545 Direct Line
800-839-2189 Toll Free Main Number
714) 549-5787 General Fax Number
[email protected] General Email

Phil Bourdillon/Gene Heller (Eugene Heller)
Silverman Heller Associates
1100 Glendon Avenue PH-1
Los Angeles CA 90024
Tel: 310-208-2550
Fax: 310-208-0931
E-mail: [email protected]

Bob Kocher, President
Ideal Innovations, Inc. (I3)
4601 N. Fairfax Drive
Suite 1130
Arlington, VA 22203
Phone: 703-528-9101
Fax: 703-528-1913
[email protected]


Related Articles:

EFP Mines? Ceradyne & i3 Say "Bull!" (Defense Industry Daily)

New Defense Against Explosively Formed Projectiles (EFPs)?

Golan Mine Resistant Ambush Protected (MRAP) Vehicle on Display at AUSA

DefRev First Look: BAE Systems RG33 Series MRAP Vehicles

The EFP Killer Strikes again in Basra (Defense Update)

Explosively Formed Projectiles are Taking Heavy Toll in Iraq (Defense Update)

New Vehicle Armor Developed to Defeat Explosively Formed Penetrators (EFPs) by
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About David Crane

David Crane started publishing online in 2001. Since that time, governments, military organizations, Special Operators (i.e. professional trigger pullers), agencies, and civilian tactical shooters the world over have come to depend on Defense Review as the authoritative source of news and information on "the latest and greatest" in the field of military defense and tactical technology and hardware, including tactical firearms, ammunition, equipment, gear, and training.

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