Posted on Sep 21, 2015
SGT Writer
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I would teach my Soldiers about the history and operation of it. Every unit I was in had one of these because of MILTOE requirements.
Edited 7 y ago
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John Murdock
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I used one from 2000-2008 as a civilian defense contractor at the AF Reserve. I actually almost never had any problems using it. I have a KOI-18 on my bookshelf today. There was an electronics surplus company selling them a few years back. They were demilled, so there is no electronic components inside--just the complete aluminum casing. they also removed the label saying what it is. They sold for $15 each! The company sold out of them very quickly.
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SFC Chem Bev Specialist
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We used it in the Arty to encrypt our digital commo. some times you would have to feed it a couple of times before it took, and if the tape was wrinkled ... good luck loading that up. burned the last tape every day, it was waxie so it gave out black smoke when burned. Bur prior to that we had a KOK card that you would have to manually set, UGH if one setting was off by just a smuge, so ya a tape reader was big improvement......
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SFC Michael Hasbun
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Never heard of it.... Is this somehow connected to that elusive box of grid squares?
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SGT Writer
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No. The KOI-18 is real and important in Crypto / 25 CMF history.
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PO1 John Miller
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I used this many times for daily, weekly, and monthly loads in addition to other paper key fill devices.
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SGT Writer
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You've used fill devices that came before KOI-18 ?
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SGT Kenneth Waltenbaugh
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yes a long time ago in ratt rigs i
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CPT Jim Pratt
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Yes- in my Signal Bn that U.S. How we did the first initial key when keying up.
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PVT Maggie Todd
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I wish I learned this, my ncoic knew it, but it was consider obsolete to us
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SGT Writer
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It's always good to learn equipment. Never know when you'll need the knowledge.
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SSG John Gillespie
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Yes, I used one to load crypto twice a day for years, from 2002 through 2006.
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SPC David S.
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Never used it - just babysat it with all the other stuff chained to the floor.
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SGT Writer
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Sounds about right.
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SSG Signal Support Systems Specialist
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Bro! It's an obsolete piece of equipment. There are better things to teach and learn about.
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SSG John Gillespie
SSG John Gillespie
10 y
Meh. It was actually less of a PITA to use a KOI-18 and fill a KYK-13 to load multiple COMSEC devices than to screw around with an AN/CYZ-10 doing repetitive loads multiple times per day. Don't knock it just because it's older. The fully electronic CFDs are more of a PITA when you actually operate in a COMSEC environment.
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SGT Writer
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9 y
SSG John Gillespie - I'm not sure you're understanding my statement. I'm saying Soldiers should learn the older equipment if they can, just as stated in the original discussion description at top. What are you saying?
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SSG John Gillespie
SSG John Gillespie
>1 y
SGT (Join to see) - This is over a year ago but I was responding to the other guy who said it's obsolete, and therefore not worthwhile. I didn't even mention the bits about security, destruction and record keeping for digital vs physical COMSEC MAT. I was on your side here.
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SGT Writer
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SSG John Gillespie - Gotchu. My misunderstanding.
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