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LIkewise former and highly skeptical of the CHP narrative. White beach firing point is 3/4 mi from the Pulgas Rd onramp the CHP was camped at. And roughly in line with the axis of the shoot. And the presumptive muzzle velocity for that 9-10mi target means the round had to detonate between 1-2secs after firing, roughly 900yds overhead the freeway by my envelope math. EVERYONE there would have been aware of it, that black dandelion would have been hanging RIGHT THERE. As well as the crack-crack of firing and detonation. Everybody on the gunline would know and be shouting 'checkfire!'.

I'm telling you that you are using the wrong phrases and that you do not grasp the mechanics involved. Had there ACTUALLY been a premature airborne detonation of that round over the highway, from teh beach firing point, there would have been a lot more damage and injury and the place would be littered with steel shrapnel fragments. None of those things apparently happened. It also would have had every Marine in the gun crews and area that was looking that way screaming "CHECKFIRE! / CEASEFIRE!" at the top of their lungs and into every radio set they could reach. There's been zero reports of that happening, either. What I"m not sure of is if you are ignorant, or trying to deliberately mislead your audience. They were firing from White beach, one of two amphib assault practice beaches about 7mo S. of San Onofre. White has a small concrete 'airfield' adjacent and Red has a fake town made out of conex boxes as objectives for beach assaults. And also has a concrete pad simulating an LHA / LHD flight deck nearby. Firing just east of North over the highway. The center of the impact area they use for those beach firings is 9-10mi away. Well under the max rangeof the M777. The CHP was reportedly struck in the area of the Pulgas Rd exit (main road to get to the 11th Marines (Arty) part of Pendleton, btw). Pulgas exit is ~3/4mi (1330yds) from the White beach firing point. Shell would have been about 900yds up, roughly, when it crossed over that area. Too, the max muzzle velocity on the M777 at a max powder charge - which would NOT have been used for the range to target, there are several different charge weights used based on range desired - is very roughly 900yds per second. The notional round would have detonated just over 1 second after firing. That dirty airburst would have been plainly evident to everyone in the area attending or participating in the event. It would have caused a distinctive double-crack, the firing follwed immediately by the detonation. That dirty puff of explosion smoke would have hung there, far long enough for there to be pictures of it flooding our media. Where are they? I've calculated and been responsible for cannon fires at 29 Palms CA, Ft Bliss TX(NM, really), Ft Sill OK, Ft Carson CO and Camp Blanding FL. There are a very narrow set of conditions where the narrative is possible, it is highly improbable. And that's not even factoring in Gov Newsom running his mouth and there being his CHP there to have it happen to on that one day. And there are several key components that SHOULD have happened for their narrative to be true but have somewhow gone unreported. Approaches impossibility. I'm waiting to hear from the Marines that were there and those Marines who are investigating. They'll get to the bottom of it. And I very much want the objects the CHP are holding to be analyzed and metallurgically compared to the lot of artillery projectiles being fired that day. @infantrydort @TheBuddyCSM

We had a checkfire during a shoot once because some guys on a small arms range said artillery went off by them. Didn't even have any rounds on the gunline at the time, but we were in a checkfire for an hour or two.

Same is done at 29 Palms, the training areas are a checkboard of zones. Multiple units can train in adjacent and overlapping areas, and if necessary with prior arrangement and review by Range Safety, be cleared to fire over the heads of other personnel. Part of my FDC job was figuring and promulgating the 'Safety-T' limits, all per FM 6-40. Every training fire mission of subordinate units was spot-checked to be within the plotted envelope, both at the firing battery FDC and at the regimental level. Everybody on the net empowered to call 'CHECKFIRE!' if they saw anything out of place. Nowadays it's all in the computing system, no mission should be forwarded if any of its elements would cause a round to travel out of the box. /Keeper of the Acetate

The scene was unrealistic. SSG Barnes would have taken the radio and called checkfire first, then bitched out the LT

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You read that correctly. I was there because the BSB needed a qualified observer to safety for live 120, and me and the OC with me on the hill were both screaming checkfire into the radios, but the bird was gone before it could make a difference.

In roles from US Army Major specializing in International Law to his role as the President's National Security Advisor, I wager #RobertObrien has forgotten more about SOFA intricacies & implications than you or I could absorb in our lifetimes, combined. Hence, #CheckFire.

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