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#34: From Volvos to Military Big Rigs, Part 2

#34: From Volvos to Military Big Rigs, Part 2

Life Plus Cars Mar 19, 2026 36 min
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About this episode

Caitlin shares her unique military experience as a big rig truck driver transporting heavy equipment like Abrams tanks across Europe. She discusses the challenges of driving massive vehicles on narrow roads, the camaraderie with locals, and memorable missions including VIP escorts for high-ranking generals. The conversation highlights the responsibility and skill involved in military logistics, the cultural encounters abroad, and the personal impact of her service. Caitlin also offers valuable advice for everyday drivers on sharing the road with large trucks and reflects on her favorite destinations and moments from her time in the Army.

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Technical Too Afraid to Ask
Concept

heavy equipment transporter

"but I did get to drive it's called a het which is a heavy equipment transporter and it's I want to say it sits 13 feet off the ground"

A heavy equipment transporter is a big truck used by the military to carry very heavy things like tanks. It has a strong truck and a big trailer to carry heavy stuff safely.

Car

M1A Abrams

"this design to transport our Abrams the M1A Abram the tank the big tank yeah"

The M1A Abrams is a big, strong tank used by the U.S. Army. It has thick armor and a big gun to help it in battles.

Term

manual transmission

"I when I hear them like take off from a dead stop and they go through like 18 gear changes like are these trucks like are they all like because we love manuals here on uh life plus cars yes but like so they all like big like manuals transmissions and you're like rolling through like dozens of gears"

A manual transmission means the driver has to change gears themselves using a stick and a pedal. It takes practice but lets the driver control the truck better.

Term

deuce and a half

"we actually in our motor pool we had a deuce and a half which is a five ton they call it deuce and a half but it's a five ton that was a manual"

A 'deuce and a half' is a military truck that can carry about two and a half tons of stuff. It's used to move people and equipment.

Concept

spatial awareness

"small car and I'm like guys you it's a great conversation to start with spatial awareness yeah there is something to be said for having that spatial awareness"

Spatial awareness means knowing where your vehicle is and what is around it while you are driving. This helps you avoid hitting things and stay safe, especially when driving big trucks.

Concept

two speed rear end

"did you ever drive anything with a two speed rear end because some some 10 wheelers dump trucks and some 18 wheelers will have their manual and then they'll have a switch yeah and the rear end is two speed no flip that switch so then you actually have 16 gears"

A two speed rear end is a special part on some trucks that lets the driver change how the wheels turn. It helps the truck go slower with more power or faster with less power, which is useful for carrying heavy stuff or driving on highways.

Part

air brakes

"you pushed a button for reverse neutral yeah um I mean you had your air brakes you'd pull in the knob pushing then whatever so yeah no everything was"

Air brakes are special brakes on big trucks that use air pressure to help stop the vehicle safely. They are stronger than regular brakes because trucks are very heavy.

Concept

situational awareness

"to your point it was it was you had to be as you said situationally aware you had to have I mean I think I had six or eight mirrors and to this day I mean constantly checking my mirrors"

Situational awareness means paying close attention to everything happening around you while driving. This helps you react quickly and keep safe on the road.

Term

truck stop

"truck stop we would get not crowds of people but people would come over and talk to us and they would just they would be so excited to see us"

A truck stop is a place where big truck drivers can stop to rest, eat, and fill up their trucks with fuel.

Concept

cab over

"I don't know what they're called but their engines they sit over the engines so they don't have an engine block in front of them it's just the driver it's called a cab over cab okay that's yes yeah I was it's basically just a flat front yes"

A 'cab over' truck has the driver's seat right above the engine, so the front of the truck is flat. This helps the truck fit better on narrow roads.

Car

PLS (Palletized Load System)

"I drove a different truck called a PLS which is a pallet palletized load system it's a completely different truck and those were much wider than the freight liners"

The PLS is a special military truck that carries big pallets of stuff. It's wider than normal trucks and made for tough jobs.

Term

jake brakes

"and then of course we had our jake brakes on so we're making a ton of noise um but oh it was it was fantastic"

Jake brakes help big trucks slow down by using the engine instead of the regular brakes. They make a loud noise when used.

Term

18-wheeler

"like for me if I'm driving a 10-wheeler and 18-wheeler I'd be like I could just push that little Hyundai right"

An 18-wheeler is a very big truck with 18 wheels that carries lots of stuff over long distances.

Term

CDL

"like so now like right now you could not drive one of those rigs again correct correct or do you have like a CDL so the nice thing about the army is they afford you an opportunity because we drove these trucks and their their big rigs are considered CDLs"

A CDL is a special driver's license you need to drive big trucks or buses. You have to pass tests to get it, and sometimes extra tests if you want to carry certain things.

Term

flatbed trailer

"I could only test out on um flatbed trailers I could not test out on any other kind of like hazmat like chemicals"

A flatbed trailer is a truck trailer that's flat and open on top, so you can carry big or oddly shaped things that don't fit inside a box.

Term

DOT physical

"and pass physical pass it yep the DOT physical yes the DOT physical take a written test"

A DOT physical is a health checkup you must pass to drive big trucks. It makes sure you are healthy enough to drive safely.

Concept

hazmat endorsement

"I was hazmat certified because I mean some of the things we transported explosives"

A hazmat endorsement is a special permission on your truck driver's license that lets you carry dangerous things like chemicals or explosives.

Term

hazmat certification

"like hazmat like chemicals well no I could test out on because I did have my I was hazmat certified because I mean some of the things we transported explosives"

Hazmat certification means you are allowed to drive trucks carrying dangerous things like chemicals or explosives. You need extra training and tests for this.

Term

reefer trailer

"I could have done reefers or like the the ones you see to the box ones yeah I couldn't have tested out on any of that"

A reefer trailer is a truck trailer with a fridge inside to keep food or other things cold while being moved.

Term

10 wheeler

"there's a wicked shortage of CDL certified people for even just 10 wheelers 18 and you name it yeah it is it's huge shortage"

A 10 wheeler is a big truck with ten wheels used to carry stuff. It's smaller than the biggest trucks but still needs a special license to drive.

Concept

Palletized Load System (PLS)

"so they trained me on the pls which is the palatalized load system basically what it is the giant hook arm that has um it looks like a square on it and it comes down and it can pick up containers it can like it hooks onto the container and it will pull it up and then load it on the back of back of the truck"

The PLS is a special truck that has a big arm with a hook to pick up and move big boxes or containers. It helps move things faster and easier.

Term

CB radio

"you communicating I'm I'm just thinking of like truckers would like you know and go on the cb and like yeah the cb radio right I imagine you had something a little bit I imagine it was probably a little bit more so"

A CB radio is like a walkie-talkie that truck drivers use to talk to each other while driving. It helps them share information about the road.

Term

WhatsApp

"we used funny enough our cell phones uh cell phones and whatsapp especially when I was over in Germany what's app was interesting huge communication"

WhatsApp is an app on your phone that lets you send messages and talk to people easily. Many people use it to stay in touch.

Term

call signs

"I pulled a couple missions with them and they loved just like you just did the rubber ducky they had call signs and they would call to each other on the road"

Call signs are special names that truck drivers use when talking on their radios so they know who is speaking. It's like a nickname for radio chats.

Term

Caterpillar engine

"may have been Oshkosh I know the Hets had a caterpillar engine I know that mm-hmm I don't know what the Hets were but I know PLS's were Oshkosh"

A Caterpillar engine is a very strong engine used in big trucks and machines. It helps them work hard and last a long time, especially in tough places like the army.

Concept

escort duty

"I did have a thing where we got to drive I got to escort and drive VIPs there you go escort you just you that's the word I was looking for like any type of escort type duty there you go"

Escort duty means driving with important people or vehicles to keep them safe and help them get where they need to go without problems.

Concept

VIP mission

"one of the missions I got to pull was it was a VIP mission and it was in Belgium because the NATO headquarters are there and I got to drive for the Joint Chiefs of Staff at the time who was very cool"

A VIP mission means helping or driving very important people like leaders or officials. It needs extra care to keep them safe.

Concept

Joint Chiefs of Staff

"I got to drive for the Joint Chiefs of Staff at the time who was very cool yes who was very cool yeah that's amazing yes so I don't know if people know who the Joint Chiefs is the Joint Chiefs of Staff is he is isn't he your your boss your big boss well he's big big boss he's in charge of all them like all them so marines the big big boss the navy he's in charge of of all he he oversees all of them"

The Joint Chiefs of Staff are the top leaders in the U.S. military. They help make big decisions about the country's defense and lead all the different military branches.

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