Airplane taxiing on a runway.

An ultra-secretive, unique military aircraft known as “The Rat” has been observed carrying out an enigmatic operation, leaving everyone guessing about its purpose.

The Rat55 is an extensively modified Boeing 737 featuring a distinctive bulging nose and an oversized tail.

Airplane taxiing on a runway.
The name RAT stands for Radar Airborne Testbed
Airplane taxiing on a runway.
The plane flew across the country and made two stops
U.S. Air Force plane taxiing on a runway.
Rat55 touched down at Rick Husband International Airport in Amarillo, Texas

It is designed for clandestine missions, with theories suggesting it gathers radar information on other stealth planes.

Aviation enthusiasts caught The Rat on one of its very rare outings this week – and even managed to snap some pics.

The plane flew across the country and made two stops – one in Arkansas and one in Texas.

It took off from the Nevada Test and Training Range and travelled to Northwest Akansas National Airport, stopping in Texas on the way back.

Rat55 touched down at Rick Husband International Airport in Amarillo, Texas, “at 2:40 pm and departed at 3:40 pm.

“It was cleared back to Tenopah Test Range Airport,” according to plane photographer Jason Zicker.

Jason said a fellow plane spotter had alerted him to the exciting guest appearance.

He said: “As far as I know, it was just for gas.

“RAT55 did have a flight plan to come here a couple of months ago, but never showed up.”

The mission is a total mystery.

Air Force Materiel Command refused to provide any details in response to a request by TWZ.

One theory is that the trip could have been linked to a company called King Aerospace, which specializes in heavy maintenance and deep modification.

The Rat visited a King Aerospace site in Oklahoma in 2022, and the company also works from the Northwest Arkansas National Airport.

The name RAT stands for Radar Airborne Testbed – but also suits the aircraft down to a tee.

The weird modifications – heavy on the nose and tail – make the plane look decidedly rodent-like.

Rat55 seems to live at the high-security Tonopah Test Range Airport (TTR), famous for its shadowy aircraft programs.

It also spends time in the skies near Area 51, reports TWZ.

In the past, its trips were orchestrated to avoid public sightings – but that seems to no longer seems be the case.

You May Also Like
Pixar's new curly hair technology in 'Toy Story 5' advances diversity in the animation space

Toy Story 5’s New Curly Hair Technology Marks a Major Leap for Diversity in Animation

LOS ANGELES — Pixar is once again pushing its animation tools forward,…
South Carolina personal trainer goes missing, last spotted walking toward wooded area

SLED Joins Investigation After Body Found Matches Description of Missing South Carolina Personal Trainer

South Carolina’s lead investigative agency, the State Law Enforcement Division (SLED), joined…
Evanston's Juneteenth parade to honor legacy of Opal Lee with granddaughter, Dione Sims, as grand marshal

Evanston’s Juneteenth Parade to Honor Opal Lee’s Legacy, with Granddaughter Dione Sims Named Grand Marshal

EVANSTON, Ill. (WLS) — Evanston’s yearly Juneteenth parade is set to start…
Elon Musk demands prison for politicians who 'turned a blind eye' to grooming gangs as new report released

Elon Musk Calls for Jail Time for Politicians Who Ignored Grooming Gangs, Explosive New Report Reveals

Elon Musk thrust Britain’s grooming gangs scandal back into the international spotlight…
Man killed after horse-drawn carriage bolts and flips near popular New York City tourist destination

Man Dies After Horse-Drawn Carriage Flips Near Central Park in New York City

An 18-year-old tourist from India was killed Wednesday after a horse-drawn carriage…
Experts debunk Tyler Robinson's ballistics claim: 'Unable to identify is not the same as ruled out'

Prosecutors Grant Limited Immunity to Roommate and Lover of Alleged Charlie Kirk Assassin Tyler Robinson

Robinson defense alleging prosecutor misconduct Criminal defense lawyer Josh Ritter appeared on…
Coast Guard opens fire on boat smuggling 25 Chinese nationals near Florida after it refused to stop

US Coast Guard Fires on Smuggling Boat Carrying 25 Chinese Migrants Off Florida After Pursuit

The U.S. Coast Guard fired on a boat off the Florida coast…
Streator, Illinois City Council approves emergency declaration as tornado recovery continues

Streator City Council Approves Emergency Declaration as Tornado Recovery Efforts Continue

Streator city leaders have unanimously approved an emergency declaration as the community…
Gilgo Beach serial killer joins infamous group of monsters as he opens ghoulish mind to FBI

Judge gives Rex Heuermann maximum sentence in Gilgo Beach serial killings case

RIVERHEAD, N.Y. — Rex Heuermann, the Long Island serial killer who confessed…
Austin Metcalf’s dad supported Karmelo Anthony judge’s hard line on cameras

Austin Metcalf’s Father Backs Judge’s Tough Stance on Cameras in Karmelo Anthony Case

FRISCO, Texas — Jeff Metcalf, the father of Austin Metcalf, said he…
Hollywood Is Having An Inflection Moment As Established Properties Are Getting Hammered by the Upstarts

Hollywood Inflection Point: New Upstarts Overtake Established Franchises at the Box Office

Through this point in 2026, the domestic box office has posted an…
Austin tech leader Joshua Baer identified as victim of Texas plane crash after jet caught fire along highway

Austin Tech Leader Joshua Baer Killed in Texas Plane Crash After Jet Catches Fire on Highway

Joshua Baer, founder of Capital Factory and one of Austin’s most prominent…