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Greg Kalkwarf, APR
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Greg Kalkwarf, APR
@gkalkwarf
Husband and father, Nebraska born and bred. Accredited in Public Relations. Author of “Was That Thunder? More Than a Boston Marathon Bombing Story.”
Great Plains Katılım Ekim 2009
462 Takip Edilen209 Takipçiler
Greg Kalkwarf, APR retweetledi

🚨 Secret Boeing ‘Ghost Radio’ Let a Shot-Down U.S. Pilot Hide from Iranian Forces for 48 Hours—And Silently Call in His Own Rescue
In a high-stakes combat search-and-rescue operation over southwestern Iran, Boeing’s Combat Survivor Evader Locator (CSEL), also designated the AN/PRQ-7, emerged as the unsung hero that helped save a U.S. F-15E Strike Eagle weapons systems officer after his aircraft was shot down.
The airman evaded hostile forces on the ground for approximately 48 hours before a successful extraction, with the CSEL providing a lifeline that kept him connected to rescuers without betraying his position.
The CSEL is a compact, rugged handheld radio (roughly 1.8 pounds) built into aircrew survival vests. It is engineered specifically for survival, evasion, resistance, and escape (SERE) scenarios.
Instead of risky voice transmissions that enemies could easily detect and triangulate, the device sends ultra-short, encrypted data bursts containing precise military-grade GPS coordinates (with anti-spoofing), the user’s identity, and pre-set status updates such as “evading,” “injured,” or “ready for pickup.”
These bursts employ rapid frequency hopping and low-probability-of-exploitation techniques, making them appear as mere background noise to sophisticated enemy electronic-warfare systems.
Key technical advantages include over-the-horizon satellite communications, line-of-sight UHF/VHF modes, an emergency beacon, and integration with global search-and-rescue networks.
The unit is waterproof to 10 meters, survives extreme temperatures and the violent forces of ejection, and offers up to three weeks of standby battery life. In the Iran incident, the navigator used the CSEL to transmit periodic silent updates while hiding, only activating homing signals during the final “hot” helicopter extraction phase—dramatically shortening response time and preventing compromise.
Developed by Boeing with initial operational capability in the mid-2000s, the CSEL has replaced older radios across the U.S. Air Force, Navy, Army, and Marines. It has proven its worth in Iraq, Afghanistan, and other theaters.
The recent event underscores its growing importance in modern peer or near-peer conflicts, where adversaries possess advanced signals-intelligence and jamming capabilities that make traditional radios far riskier. 🇺🇸


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Greg Kalkwarf, APR retweetledi
Greg Kalkwarf, APR retweetledi

41-year Nebraska announcer Kent Pavelka’s (@KentPavelka) call of the end of #4 Nebraska’s win over #5 Vanderbilt and advancement to their first Sweet 16
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@kaylasea_ My TV is muted. The “color” commentator adds zero insight to the game.
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@ShaneDennis34 I just saw a video of a play like this earlier this week! Dead ball, batter is safe, runners advance one base. #Huskers #Shockers

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@chrispank … and that was a Ticketmaster ticket, not a resale. As of 9:20 pm, I still see some upper deck seats with the blue dot. 🔵
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@chrispank I bought a ticket around 8 pm Sunday with this code. Thanks, the amount you saved me was enough to cover the stupid “service fees” / appreciate it!
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PSA for #Nebrasketball fans - if you buy tickets on Ticketmaster there's an unlock code - "KATZ" for a discount - $44/ticket nosebleeds, $64 uppers and $134 for lower bowl baselines
Still a lot available, don't rush to the resales. #GBR
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@Michael44933525 @EvanBlandOWH I think there will be about two or three construction zones from I80 to the OK border, but I don’t think anything too crazy. Mostly bridgework.
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@gkalkwarf @EvanBlandOWH Makes the route a little cheaper avoids tolls until Witchita
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@EvanBlandOWH Yup also going Omaha to OKC take I 80 to US 81 avoids tolls in Kansas and direct routing to OKC!!!
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@espn How about this play at a 12u girls softball tournament in Wichita, Kansas - shortstop Teagan Kalkwarf playing for a Select @316EliteSB team reverses course on the hit and run to make a leaping catch and then throws to first for the double play to end the game! 🥎 #ProudDad
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One my favorite MLB moments!
Baseball’s Greatest Moments@BBGreatMoments
When David Hulse stepped in and chose violence.
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Greg Kalkwarf, APR retweetledi
Greg Kalkwarf, APR retweetledi

@VictorRojas One my favorite all-time plays .. with the Blue Jays, Martinez tags out two runners at home plate, the second time on the ground with a broken leg! 😳
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We’ve known Buck since we were kids…we were in his wedding party (I think George Brett had a powder blue tux on). Tremendous man on all fronts. If there was ever a picture in the dictionary for ‘baseball man,’ Buck’s would be there without a hair out of place. Enjoy retirement!
Sportsnet PR@SportsnetPR
Legendary Blue Jays Broadcaster Buck Martinez Announces Retirement Press Release: rogerssportsandmedia.com/the-latest/leg…
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