Duotech Media Room - Blog

Supporting the Past. Engineering the Future.

Media Room

Duotech’s news and events, Ask an Engineer, and repair topics by DSI engineers and technicians. Also, find general interests topics about the aerospace and defense industry. Please read and share our recent articles below.


Jet Friday: An F-18 Screaming Through Downtown Chicago

We have shared video footage of F-18 Hornets piloted by the Navy’s Blue Angels as they put on air shows in previous Jet Friday posts. We have also shown you low flying jets on training maneuvers just above the landscape, zipping through canyons and into snowy mountain...

read more

The United States Oldest Active Military Air Squadrons

The first instances of military aviation applications included lighter-than-air balloons. In 1903, the Wright Brothers flew the first heavier-than-air glider 120 feet across the dunes in North Carolina. The next few years of experimentation found the airframe...

read more

What is a Radar Warning Receiver, or RWR?

A fighter pilot is flying their jet on a routine patrol over a canopy of a tropical forest. There has not been a report of enemy aircraft operating in his area of operations in over a month. Suddenly, an alert pops up with a blip on a screen alerting him to a mobile...

read more

Jet Friday: An F-5 Low-Level Flight, Skimming Lake Tahoe

The F-5 Tiger II is a light fighter that was developed to be a high-performance day superiority aircraft. When loaded, the F-5 weighs only 15,745 lb compared to the F-16 at 26,500 lb. Combine that with its two turbojets propelling it to a maximum speed of 1,060 mph, a...

read more

Electronic Warfare for A Successful Mission

Control the Skies Using Electronic Warfare A mission package of two EF-18 Growlers and an EA-6B Prowler are preparing to launch from the USS Ronald Reagan. Their intended target is a mobile radar site used to detect aircraft and direct a surface-to-air missile (SAM)...

read more

Closed Military Bases – What Are They Doing Now?

From time-to-time as our country goes through various stages of readiness, the United States federal government will recognize a need to increase Department of Defense (DoD) efficiency by realigning or closing some U.S. military bases. This process is called Base...

read more

9 Facts About the C-17 Globemaster III

C-17 Globemaster III is the USAF’s primary strategic, large transport aircraft developed to replace the C-141 Starlifter. The C-17 is operated by three crewmen: a pilot, copilot, and loadmaster. The first production C-17 was delivered to Charleston Air Force Base in...

read more

Understanding A Phased Array Antenna With Water Droplets

A radar detects an aircraft by sending out a high-frequency radio wave and then measuring the time it returns to understand the distance and direction to a target. If you have a slotted planar antenna like the APG-66/68 or the APQ-159, the HF radio wave is directed to...

read more

Jet Friday: Request a Speed Check – Blackbird SR-71

Whats long, black, sleek and leaks aviation fuel onto the ground prior to takeoff (and this does not alarm anyone)? The answer would be the Cold War spycraft SR-71 Blackbird. In 1976, the SR-71 set the record for altitude and speed by an air-breathing aircraft at...

read more

Chain Home Radar Saved London in the Battle of Britain

It is said that the best defense is a great offense. This means instead of only sitting back in your foxhole and waiting to be attacked, sometimes the best way to protect yourself is to go outside the wire and attack your enemy. This would be getting inside the...

read more

Thanksgiving and the U.S. Military, by the Numbers

Happy Thanksgiving Day to all our service men and women serving around the globe! Enjoy our video below, Thanksgiving and the U.S. Military, by the Numbers. Thanksgiving and the U.S. Military, by the Numbers  Video Transcript Happy Thanksgiving Day to all our service...

read more

Working and Living on a U.S. Aircraft Carrier

The United States Aircraft Carrier - It is known as 4.5 acres of sovereign American territory. On its decks, inside its islands, down in the berthing compartments, serving in the chow hall, machine shops, electrical shops, laundry rooms, and ship's stores, over 5,000...

read more

What Makes an AESA Radar Better? AESA Radar Advantages

Not only are there space and weight savings because of the Integrated transmit and receive chain, an AESA radar provides opportunity for many performance improvements over a mechanically scanned radar antenna. This video discusses a couple of them. The high movement...

read more