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@CAT_UXO

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Collective Awareness to Unexploded Ordnance: We aim to bring together the EOD community in order to collate information and awareness on explosive hazards.

United Kingdom
Joined March 2012
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@CAT_UXO
CAT-UXO
2 years
This is an unidentified munition currently being found in Ukraine. At the moment an official identification has not been made. Any additional images, technical information or identification is very much appreciated:
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@CAT_UXO
CAT-UXO
1 year
At CAT-UXO we are continually asked to produce hard-copy handout data for munitions in Ukraine. We are initially hesitant to do this because we consider that as soon as a munitions recognition handbook is published, it quickly becomes outdated. Especially in Ukraine where the
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@CAT_UXO
CAT-UXO
1 year
This looks very interesting, any ID or info on this one:
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@CAT_UXO
CAT-UXO
2 years
This is a new improvised Russian Anti-disturbance (AD) Switch recently observed in Ukraine, used to boobytrap landmines. Yesterday, 01 Dec 2022, a Ukrainian sapper was killed by this anti-disturbance switch fitted to a TM-62 AV landmine:
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@CAT_UXO
CAT-UXO
2 years
POM-3 Landmine found in Kharkiv region:
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@CAT_UXO
CAT-UXO
2 years
@johnismay @ArmsControlWonk This is the latest image added to the CAT-UXO website 9B899 technical page:
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@CAT_UXO
CAT-UXO
2 years
So we have gone for this for now: CAT-UXO adds the Russian 9B899 (9ะ‘899), a new submunition believed to be delivered by the short-range ballistic SS-26 Iskander missile possibly the 9M723 submunition carrier version:
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@CAT_UXO
CAT-UXO
2 years
So what does a transponder do and is it better described as a decoy?
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@CAT_UXO
CAT-UXO
1 year
Today we present to you the CAT-UXO Ukraine Aircraft Bomb Recognition Handbook for your download. Please drop us a line if you observe any typos, incorrect technical data or additions you think should be added. Together our knowledge saves lives. Follow this link to download the
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@CAT_UXO
CAT-UXO
2 years
Not sure if this helps anyone with a quick reference to Russian MANPADS. The best ID reference point is the front endcap area:
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@CAT_UXO
CAT-UXO
1 year
Today we provide our first CAT-UXO Ukraine Munitions Recognition Handout for Submunitions for your download. Please drop us a line if you observe any typos, incorrect technical data or additions you believe should be added. Together our knowledge saves lives. Follow this link to
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@CAT_UXO
CAT-UXO
2 years
It amazes me how many experts pop up who have never even been on a bombs course and without a single day's training have an opinion on these things. My full respect to these individuals, stay safe gents:
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@CAT_UXO
CAT-UXO
1 year
And today we have the first publication of the CAT-UXO Ukraine Landmine Recognition Handbook for your download. Please drop us a line if you observe any typos, incorrect technical data or additions you think should be added. Together our knowledge saves lives. Follow this link to
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@CAT_UXO
CAT-UXO
1 year
These are the Russian OFSP (OะคCะŸ), a series of high-explosive (HE), fragmentation, free-fall, fin-stabilised aircraft bomblets initially designed to be dispensed from UAVs. The series of fragmentation bomblets includes the OFSP-2.5, the OFSP-1.7, the OFSP-1.7 variant, the OFSP-08
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@CAT_UXO
CAT-UXO
2 years
Sorry to be asking but does a red tip on the end of a grenade fuze have any significance? Any help is appreciated:
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@CAT_UXO
CAT-UXO
1 month
Might I ask has anyone considered a KH-55 rather than a KH-101?
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@CAT_UXO
CAT-UXO
1 year
We apologise it has taken longer than we would have hoped, but here is the Ukraine Missile Recognition Handbook for your download. As usual please drop us a line if you observe any typos, incorrect technical data or additions you think should be added. Together our knowledge
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@CAT_UXO
CAT-UXO
2 years
So what does a transponder do and is it better described as a decoy:
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@CAT_UXO
CAT-UXO
1 year
Today we have the Ukraine Projected Grenade Recognition Handbook for your download. As usual please drop us a line if you observe any typos, incorrect technical data or additions you think should be added. Together our knowledge saves lives. Follow this link to download the PDF
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@CAT_UXO
CAT-UXO
2 years
CAT-UXO adds the recently observed Ukrainian Improvised Fire Extinguisher rocket to the online explosive hazard database. Any additional images and technical information are very much appreciated. Together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
1 year
Today we have Mortar Bombs found in Ukraine for your download. Please drop us a line if you observe any typos, incorrect technical data or additions you think should be added. Together our knowledge saves lives. Follow this link to download the PDF from our google drive:
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@CAT_UXO
CAT-UXO
1 year
Please see the link below for access to the latest CAT-UXO Ukraine Explosive Hazard Recognition Handbook which has collated all previous munition categories into this single document. This document will now be the only version available and will provide any future updates:
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@CAT_UXO
CAT-UXO
1 year
The Ukraine Rocket Recognition Handbook for your download. As usual please drop us a line if you observe any typos, incorrect technical data or additions you think should be added. Together our knowledge saves lives. Follow this link to download the PDF from our google drive:
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@CAT_UXO
CAT-UXO
13 days
This is the Ukrainian BK-3OF (ะ‘ะš-3ะžะค), a High-Explosive Fragmentation (HE-Frag) Unmanned Combat Aerial Vehicle (UCAV) delivered, guided, air-dropped bomb. A Baba-Yaga type heavy UCAV was intercepted by Russian forces with a Ukrainian RK-3OF warhead (no rocket motor), which is the
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@CAT_UXO
CAT-UXO
1 year
This week we have Projectiles found in Ukraine for your download. As usual please drop us a line if you observe any typos, incorrect technical data or additions you think should be added. Together our knowledge saves lives. Follow this link to download the PDF from our google
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@CAT_UXO
CAT-UXO
2 years
9B899?
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@CAT_UXO
CAT-UXO
4 months
The Shaped-Charge (SC) concept is not well understood by people outside the science of ordnance devices. For example, a Shaped-Charge (SC) jet is not a โ€œcutting plasmaโ€ and does not โ€œburn its way through the armourโ€ as reported by Lawton (1986), Aronson (1986), and Schemmer
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@CAT_UXO
CAT-UXO
1 year
This is the American M42, a high-explosive dual-purpose improved conventional munition (DPICM), armour-defeating and anti-personnel (AP), submunition containing a shaped-charge (SC) and incorporating an impact-inertia fuze delivered by artillery projectiles including the 155mm
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@CAT_UXO
CAT-UXO
2 years
CAT-UXO adds the Russian OZ-1 (Oะ—-1), a high-explosive (HE) entrenching tool designed to dig a one-man fox-hole in frozen or hard soil to the online explosive hazard database. Any additional images and technical information are very much appreciated.
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@CAT_UXO
CAT-UXO
2 years
Three new Russian submunitions have been observed in both Syria and Ukraine. Believed to be incendiary munitions all are similar in size, construction and means of delivery (parachute retarded). Any additional images & information is very much appreciated:
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@CAT_UXO
CAT-UXO
2 years
CAT-UXO adds the Russian MOB (MOะ‘), a high-explosive (HE), directional, anti-personnel landmine. This is a new landmine, any additional images and technical information are very much welcome. Together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
2 years
Not a confirmation but many suggestions to an Iskander missile submunition: These are believed to include tactical HE earth penetrator, an EMP and an anti-radar blast/fragmentation warhead:
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@CAT_UXO
CAT-UXO
4 months
CAT-UXO adds a selection of Iranian Ballistic-Missiles (BMs) to the online Explosive-Hazard Database. Any additional images, technical information or corrections are very much appreciated. Together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
2 years
Fantastic contribution of a 3B30 submunition technical drawing by Jacob at Jacob's 3D Unobtainabales to the CAT-UXO online explosive hazard database:
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@CAT_UXO
CAT-UXO
8 months
I'm sorry and I know I shouldn't but I can't hold back anymore. I have so many issues with this image. Firstly these landmine protection boots, are you saying your metal detection drills are so poor you don't have confidence to enter your own detected path. You need additional
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@CAT_UXO
CAT-UXO
2 years
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@CAT_UXO
CAT-UXO
2 years
My first sighting of the Russian PMN-4 in Ukraine:
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@CAT_UXO
CAT-UXO
1 year
@Heroiam_Slava @secretsqrl123 This is the Russian AO-2.5RT (AO-2.5PT) and RTM, Oskolochnaya Aviabombaskaya Rotatsionni meaning Fragmentation Bomblet Rotating, an oval-shaped, High-Explosive (HE), anti-personnel (AP), fragmentation submunition that has a central all-ways acting fuze:
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@CAT_UXO
CAT-UXO
2 years
So do we have any info on this one yet:
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@CAT_UXO
CAT-UXO
1 year
Any idea on an ID anyone, any help is really appreciated. Together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
9 months
We are still struggling with this one, are these Type 63 or M38 mortars. Does the actual 60mm Type 63 mortar exist or is it just a reference to the Type 63 Mortar System it is fired from? Does anyone have a link to a technical page detailing the Type 63 mortar bomb? On CAT-UXO
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@CAT_UXO
CAT-UXO
1 year
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@CAT_UXO
CAT-UXO
2 years
Transponder: a device for receiving a radio signal and automatically transmitting a different signal.
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@CAT_UXO
CAT-UXO
2 years
Here we go, what do we think we have here, is it a Landmine being Boobytrapped with an improvised switch, or is it an IED with a Landmine as the main charge? Your thoughts are most welcome....
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@CAT_UXO
CAT-UXO
2 years
@UAWeapons This is the German 155mm DM702, a spin stabilised, base-ejecting, thin-walled carrier projectile for the SMArt 155 series of high-explosive anti-tank (HEAT), top-attack, infrared and millimetre wave radar sensor fuzed munitions:
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@CAT_UXO
CAT-UXO
5 months
CAT-UXO is very pleased to announce that a new Kickstarter campaign by Skirmisher Publishing is the latest commercial supporter of the CAT-UXO explosive hazard website. Skirmisher Publishing is looking for funding to create a Childrenโ€™s Guide to Landmines & Unexploded Ordnance, a
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@CAT_UXO
CAT-UXO
2 years
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@CAT_UXO
CAT-UXO
5 months
CAT-UXO adds the German 110mm Panzerfaust-3 (Pzf-3) series of Ground-to-Ground Rockets (GGR) to the CAT-UXO Explosive Hazard database, together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
2 years
@UAWeapons @RALee85 This is the joint Swedish and French BONUS, a high-explosive anti-tank (HEAT), sensor-fuzed munition (SFM) intended to defeat armoured vehicles with a top attack:
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@CAT_UXO
CAT-UXO
2 years
@bayraktar_1love This is the Ukrainian RKG-1600, an adapted RKG-3 or RKG-3EM anti-armour hand grenade with added tails and delayed arming for use with UAVs as a bomblet:
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@CAT_UXO
CAT-UXO
1 year
@jmvasquez1974 This is the Russian improvised VOG-17 hand grenade, a high-explosive (HE) fragmentation grenade, improvised from the Russian 30mm VOG-17M projected grenade and a Russian type UZRGM (ะฃะ—ะ ะ“ะœ) hand grenade fuze:
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@CAT_UXO
CAT-UXO
2 years
@UAWeapons This is the American M70, a high-explosive (HE), Remote Anti-armour Mine (RAAM) part of the Family of Scatterable Mines (FASCAM) and is based on the M75 scatterable anti-tank landmine:
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@CAT_UXO
CAT-UXO
2 years
@UAWeapons Finally, we have a confirmed actual sighting in Ukraine. This is the Russian OFSP (OะคCะŸ), a high-explosive (HE), fragmentation, free fall, fin-stabilised aircraft bomblet dispensed from the Orlan-10 UAV:
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@CAT_UXO
CAT-UXO
1 year
@RALee85 This is the Polish WARMATE, an unmanned combat aerial vehicle (UCAV) containing a number of varied warheads including a high-explosive (HE) blast fragmentation (GO-1), anti-tank high-explosive (GK-1-HEAT) or a thermobaric warhead:
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@CAT_UXO
CAT-UXO
1 year
@RALee85 This is the Russian K-51, a CS gas, riot control, striker-release fuzed, hand grenade used to control counter-insurgencies and other tactical operations:
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@CAT_UXO
CAT-UXO
2 years
Here's a good image from the rear:
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@CAT_UXO
CAT-UXO
1 year
Do we have any additional sightings or technical information on the Oะคะ‘ะง-2.5
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@CAT_UXO
CAT-UXO
2 years
Does this help anyone? @EliotHiggins
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@CAT_UXO
CAT-UXO
2 years
Have we had any recent sightings of the Ukrainian OFS (OะคC), a bomblet dispensed from the Orlan-10 UAV? A big thanks to Jacob for the addition of another technical drawing to the CAT-UXO explosive hazard database, together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
2 years
@BullBreedsNutts @MarkHiznay @minefreeworld @hrw Looks like to me that maybe aerial delivered could also be called scatterable and an area denial weapon might also be called a landmine!!!
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@CAT_UXO
CAT-UXO
2 years
Another technical drawing contribution by Jacob to the CAT-UXO online explosive hazard database, together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
10 months
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@CAT_UXO
CAT-UXO
2 years
@KramarenkoMari3 Not a confirmation but more of a suggestion. This is the Russian PDM-2 and PMD-2M, high-explosive (HE), shallow water, bottom, blast seamine:
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@CAT_UXO
CAT-UXO
5 months
CAT-UXO adds the GROM-E2 a dual High-Explosive Fragmentation (HE-Frag) warhead, Air-to-Surface, free-fall-glide, aircraft Guided Bomb Unit (GBU) to the online Explosive Hazard database:
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@CAT_UXO
CAT-UXO
2 years
He's gone and done it again, another outstanding contribution by Jacob of a POM-3 technical drawing to the CAT-UXO explosive hazard database, together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
2 years
@GuyPlopsky This is the Russian FAB-500 ShN (ะคะะ‘-500ะจH), a modern design, high-explosive (HE), parachute retarded, blast bomb, specially designed for dropping from low altitude:
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@CAT_UXO
CAT-UXO
2 years
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@CAT_UXO
CAT-UXO
2 years
@warsmonitoring @Danspiun @oryxspioenkop @UAWeapons This is the Russian AT-11 Sniper the NATO designation for the 9M119 Svir a high-explosive anti-tank (HEAT), tank barrel-launched, laser beam rider guided, surface-to-surface, fin stabilised, anti-tank guided missile (ATGM):
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@CAT_UXO
CAT-UXO
2 years
So let's have no more talk of any "plasma" jet being produced from a shaped-charge please (as an EOD instructor I've been incorrectly saying it for years):
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@CAT_UXO
CAT-UXO
2 years
@Osinttechnical Sorry to raise this and itโ€™s probably not relevant with you but if constructed with conventional manufactured munitions, MON-50 and a F1 grenade then itโ€™s a boobytrap and not an IED. To be an IED (improvised plosive device) it requires to have an improvised explosive component.
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@CAT_UXO
CAT-UXO
9 months
In this lesson, you will learn: The key recognition features of a mortar, the two basic types of mortar and how to see if a mortar has been fired:
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@CAT_UXO
CAT-UXO
1 year
Thanks for all your help. Together our knowledge saves lives. This is the Polish 120mm OF-NMR (ะžะค-HMP), a high-explosive rocket-assisted (HERA), fragmentation, fin-stabilised, mortar bomb:
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@CAT_UXO
CAT-UXO
2 years
Any info or an ID on this would be helpful. See original link/post here:
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@CAT_UXO
CAT-UXO
3 months
@GrandpaRoy2 Roy you are not going to be happy with me today ๐Ÿ˜œ. Shaped-Charges (SC) do not produce any Plasma jet, they create an Explosively Formed Jet (EFJ) of very hot material or you might say molten metal but at no point does the jet become a Plasma. This has been a misconception
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@CAT_UXO
CAT-UXO
2 years
@UAWeapons This is the joint Swedish and French 155mm Bonus, base-eject, base-bleed, submunition carrier, spin stabilised projectile distributing the high-explosive anti-tank (HEAT), sensor fuzed munition 155 Bonus:
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@CAT_UXO
CAT-UXO
7 months
@front_ukrainian Please note, no guidance, therefore, Air-to-Ground Rockets (not a missile):
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@CAT_UXO
CAT-UXO
2 years
@UAWeapons This is the German DM-51, a defensive or offensive, high-explosive (HE), blast and fragmentation, hand grenade which uses the DM-82 fuze. The DM-51 offensive grenade becomes the DM-51 defensive grenade when the fragmentation sleeve is installed:
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@CAT_UXO
CAT-UXO
2 years
CAT-UXO adds the 125mm BM42M, BM44-2, BM60 and BM66 to the online explosive hazard database. We are not content that these are currently correct designations. It doesn't help all three often start with BM. Any corrections very much appreciated:
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@CAT_UXO
CAT-UXO
2 years
@UAWeapons This is the Russian VZD-6Ch (ะ’ะ—ะ”-6ะง) a mechanical, delay clockwork timer used for various types of demolition and sabotage procedures and can be used with any ordnance item accepting an MD-5M detonator:
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@CAT_UXO
CAT-UXO
1 year
@simon_uxo This is the Russian OZ-1 (Oะ—-1), a high-explosive (HE), shaped-charge (SC), entrenching tool designed to assist in digging a one-man fox-hole in frozen or hard soil:
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@CAT_UXO
CAT-UXO
1 year
@front_ukrainian Do you notice the white stripe and that shows a designation of Y-TM-62, do you understand what that means??
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@CAT_UXO
CAT-UXO
2 years
@Osinttechnical No issue with me my friend, you are doing a good job, keep it up.
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@CAT_UXO
CAT-UXO
2 years
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@CAT_UXO
CAT-UXO
2 years
@UAWeapons This is the American AGM-88, a tactical, air-to-surface, rail-launched, high-speed, anti-radiation missile (HARM), with an electromechanical setback-armed fuzing, guided missile, containing a high-explosive fragmentation (HE-frag) warhead:
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@CAT_UXO
CAT-UXO
2 years
Might anyone have some thoughts on this item? Recently found in Ukraine:
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@CAT_UXO
CAT-UXO
2 years
Our favourite videos can be seen here:
@ReddishCat1
ReddishCat
2 years
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@CAT_UXO
CAT-UXO
2 years
CAT-UXO adds the Chinese Red Arrow (Hong-Jian) series of Anti-Tank Guided Missiles (ATGM) to the CAT-UXO online explosive hazard database. Together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
2 years
CAT-UXO adds the Russian OFAB-500 ShR (ะžะคะะ‘-500ะจP), a high-explosive (HE), parachute retarded bomb, designed to produce a destructive effect through fragmentation using three large oval-shaped independently fuzed fragmentation submunitions:
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@CAT_UXO
CAT-UXO
2 years
@Gerashchenko_en This is the Russian 122mm 9M22S (9M22C), an incendiary, forward-ejection, electrically initiated, surface-to-surface, fin and spin stabilised rocket launched from the BM-21 Grad truck-mounted multiple rocket launcher:
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@CAT_UXO
CAT-UXO
1 year
Another LOL for me. Removes the fuze faster than the fuze can react!!! Have you used a Rocket Wrench, the time it takes to unscrew sometimes is not instant. Do you think a mechanical means of rotating a fuze is quicker than its electrical or mechanical anti-handling sensor or
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@CAT_UXO
CAT-UXO
2 years
@GirkinGirkin This is the Russian PKM-1, a portable, remote-launched, landmine dispenser used to create anti-vehicle (AV) and anti-personnel (AP) minefields:
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@CAT_UXO
CAT-UXO
2 years
@UAWeapons This is the Russian 100mm BK-3 (ะ‘ะš-3), a high-explosive anti-tank fin stabilised (HEAT-FS), projectile with the BK-3M being the same projectile except with a copper shaped-charge (SC) cone, intended to defeat armoured targets:
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@CAT_UXO
CAT-UXO
11 months
@war_noir This is the Russian UDSh, a smoke-dispensing landmine used in training to indicate a landmine has functioned or to simulate a chemical landmine:
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@CAT_UXO
CAT-UXO
2 years
Another new submunition observed in Ukraine, the 9N267M, any additional information is very much appreciated:
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@CAT_UXO
CAT-UXO
10 months
It really is pleasing to see so many people globally using the CAT-UXO online explosive hazard database, together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
10 months
In association with and a big thanks to @TheHALOTrust please see this link to the translated CAT-UXO Ukrainian Explosive Hazard Recognition Handbook, together our knowledge saves lives:
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@CAT_UXO
CAT-UXO
2 years
@Osinttechnical Here we go, IEDs or booby-traps. I only see conventionally manufactured components here (a booby-trap), nothing improvised as far as I can see........bring it on:
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