The Sukhoi Su-47 Berkut

The Sukhoi Su-47 Berkut is an experimental supersonic technology demonstrator developed by JSC Sukhoi Company in Russia. This aircraft is iconic and easily recognizable due to its unique forward-swept wing configuration. Characteristics and Key Facts: Development Purpose: Designed from the outset as a testbed and technology foundation, not for mass production as an operational fighter jet.

Wing Design: The inverted wing design provides exceptional agility and maneuverability at extreme angles of attack. Performance: Capable of reaching a supersonic cruise speed of 1,800 km/h.

Technological Legacy: The advanced technology and composite materials tested on the Su-47 later became a crucial foundation for the development of Russian fifth-generation fighter jets such as the Sukhoi Su-57.

The development history of the Sukhoi Su-47 Berkut is one of the most ambitious and dramatic stories in the Russian military aerospace industry. The project evolved from Cold War ambitions to its survival amidst the economic crisis following the collapse of the Soviet Union.

Here is a chronological timeline of the Su-47's development history:

1. Project Origins (1980s) 1983 — Soviet Air Force Order: The project was officially launched by order of the Soviet Air Force. Sukhoi was tasked with researching the potential benefits of a forward-swept wing configuration. Preliminary Design (S-32): In its initial phase, the design was codenamed S-32. Sukhoi aimed to achieve close-range dogfighting capabilities unmatched by Western fighter jets.

2. Collapse of the Soviet Union & Financial Crisis (1991) State Funding Freeze: When the Soviet Union collapsed in 1991, the Russian economy experienced a severe crisis. Military budgets were slashed, and state funding for the S-32 project was officially frozen.

Sukhoi's Self-Funding: Realizing that this research was too valuable to waste, the Sukhoi Company took a bold step. They self-funded the continuation of the project using profits from export sales of Sukhoi Su-27 fighter jets abroad.

3. Transformation into the S-37 and First Flight (1996–1997)

1996 — Leak: The existence of this secret project was accidentally revealed when a photograph of a miniature black model of the aircraft with the number "32" on his desk appeared in a Russian military magazine. The design code was later changed to S-37.

September 25, 1997 — First Flight: The first (and only) physical prototype successfully took off for the first time, piloted by test pilot Igor Kozintsev (some accounts say Igor Votintsev). The aircraft was powered by a pair of Soloviev D-30F6 engines borrowed from a MiG-31 interceptor as a temporary solution.

4. Becoming the Su-47 and Supersonic Testing (2000–2002)

August 2000 — Breaking the Supersonic Limit: The S-37 successfully completed its first supersonic flight test.

2002 — Rebranding to Su-47: Sukhoi officially changed the aircraft's codename from S-37 to Su-47 Berkut to enhance its international marketing appeal and affirm its status as the pinnacle of Russian aerospace innovation.

5. End of Program and Technological Legacy Despite its impressive displays at the MAKS airshow in Moscow, material limitations at the time meant the inverted wing was subjected to excessive wing-twisting at high speeds. Due to maintenance costs and the risk of wing fatigue, the project never progressed to mass production. The sole surviving Su-47 was converted into a "flying laboratory." Through this laboratory, test data on composite materials, internal weapons bays, and digital fly-by-wire systems were directly translated into the development of Russia's current modern stealth jet, the Sukhoi Su-57.

Guided artillery shells (munitions) - M982 Excalibur, 2K25 Krasnopol, Leonardo Vulcano

Guided artillery shells (or munitions) are modern artillery projectiles equipped with an internal guidance system to change their flight direction in mid-air to hit targets with a very high degree of accuracy. Unlike conventional artillery shells, which rely on calculated firing angles and are susceptible to misses due to wind or weather factors, these smart munitions can self-correct their trajectory after being fired from the cannon barrel.

Guidance System Types

Satellite System (GPS/INS): Uses global positioning coordinates to guide the projectile directly to a predetermined stationary target.

Laser Guidance (Semi-Active Laser): Requires a ground operator or drone to "spotlight" the target using a laser beam. The bullet's sensor then tracks the laser reflection, making it highly effective against moving targets.

Self-Sensing Guidance (Infrared/Radar): Equipped with a self-contained seeker to automatically detect the heat signature (infrared) or radar of enemy armored vehicles.

Examples of Popular Guided Artillery Rounds

Some of the most well-known guided artillery munitions used in modern combat include:

M982 Excalibur

M982 Excalibur (United States/Sweden)

Caliber: 155mm.

Guidance System: GPS and Inertial Guidance.

Advantages: Compatible with modern howitzer systems such as the M777 and CAESAR, it boasts extreme accuracy with a radius of error of less than 2 meters.

2K25 Krasnopol

2K25 Krasnopol (Russia)

Caliber: 152mm or 155mm.

Guidance System: Semi-automatic laser.

Advantages: Extremely lethal against moving vehicles such as tanks because the round travels directly to the target's laser beam.

Leonardo Vulcano

Leonardo Vulcano (Italy)

Caliber: 127mm (naval) and 155mm (land artillery).

Guidance System: GPS/INS combined with optional laser guidance.

Advantages: Uses a sub-caliber, sabot-loaded design, allowing it to achieve extremely long ranges (up to 70 km).

Key Advantages in Combat

Logistical Efficiency: Drastically reduces the number of rounds fired; one smart round is often sufficient to replace dozens of conventional rounds.

Reduced Collateral Damage: High accuracy ensures military targets are destroyed without excessive damage to surrounding civilian areas.

Surprise Effect: Capable of destroying high-value enemy targets (such as command posts or radars) with the first shot.

The Northrop Grumman B-21 Raider

The Northrop Grumman B-21 Raider is a sixth-generation stealth strategic bomber developed for the United States Air Force (USAF). Designed to carry both conventional and nuclear weapons, it spearheads the US's long-range strike force, capable of penetrating the world's most robust air defenses.

Stealth Technology & Capabilities: Features an updated flying wing design with advanced radar-absorbing materials, making it highly difficult to detect.

Range & Flexibility: It has a very long range and is designed to be less reliant on tanker aircraft, allowing it to operate for extended periods in a variety of mission zones.

Operational & Crewing: The aircraft has a two-pilot capacity (although it can be flown by a single pilot) and is also designed with potential unmanned autonomous capabilities.

Naming: The name "Raider" honors the historic Doolittle Raid of World War II.

Launch & Delivery Status: First introduced in December 2022. The aircraft is currently in mass production and is scheduled to enter service at US military bases in 2027.

The Northrop Grumman B-21 Raider development process is highly classified but tightly structured.

1. Initial Development Timeline

2011–2015 (Initiation & Contracting): The US Air Force (USAF) began planning the long-range bomber program in 2011. In October 2015, Northrop Grumman won the prime contract to develop the aircraft.

December 2022 (Public Launch): The first B-21 Raider prototype is officially unveiled to the public for the first time at the Palmdale, California, production facility.

November 2023 (First Flight): The B-21 Raider successfully conducts its first test flight from Palmdale to Edwards Air Force Base to begin the intensive air testing phase.

2. Modern Development Methods (Digital Engineering)

One of the main reasons why the B-21's development has not experienced significant delays (unlike the F-35 fighter jet) is the use of digital technologies:

Digital Twin: The aircraft was designed and tested virtually thousands of times before a physical replica was built.

Open Systems Architecture: The bomber's software is designed for easy updating. If new radar or weapons technology emerges in the future, engineers can simply add new programs without having to physically disassemble the aircraft.

Isolated Avionics Testing: Before flight, the B-21's navigation and computer systems underwent over 1,000 hours of testing using a modified commercial aircraft as a flying laboratory.

3. Current Production Status

The B-21 Raider program has shifted from the experimental phase to the Low-Rate Initial Production (LRIP) Phase.

Massive Funding: The U.S. government is providing an additional $4.5 billion to accelerate manufacturing capacity. At the same time, Northrop Grumman is investing up to $3 billion independently to upgrade its manufacturing infrastructure.

Production Quota Increase: Consistently positive testing has led the US military to request an increase in production from 10 units per production batch to 12 units per production batch.

Operational Target: The first operational delivery to Ellsworth Air Force Base remains on schedule for 2027. The USAF is committed to purchasing a minimum of 100 aircraft, with the potential to increase to 145 aircraft in the future.

Scorpène-class submarines - Indonesian Project (Scorpène Evolved)

The Scorpène-class submarines are a class of modern diesel-electric attack submarines jointly developed by France's Naval Group (formerly DCNS) and Spain's Navantia shipyard. These stealthy submarines are designed for multi-role operations, including anti-ship warfare, anti-submarine warfare, special operations, and intelligence gathering.

Indonesian Project (Scorpène Evolved)

Indonesia, through the Ministry of Defense, has officially activated the procurement contract for two of the latest variant of the Scorpène Evolved submarines. Through a transfer of technology (ToT) system, these submarines are being built entirely domestically by PT PAL Indonesia in Surabaya in collaboration with Naval Group.

The project has entered the initial steel cutting qualification phase and is targeted to begin full physical construction by the middle of this year.

Key Specifications & Advantages

Dimensions & Weight: Approximately 71 to 72 meters long with a displacement ranging from 1,600 to 2,000 tons.

Battery Technology: The Indonesian Scorpène Evolved variant uses advanced Lithium-Ion (LiB) Battery technology. This technology provides high power efficiency and enables underwater operations of up to 80 days.

Diving Capability & Speed: Capable of diving to depths of more than 300–350 meters with a maximum speed of over 20 knots while submerged.

Armament: Equipped with six launch tubes that can carry up to 18 heavy weapons, including a combination of torpedoes, anti-ship missiles, and sea mines.

Combat Management System: Integrates the SUBTICS automated tactical system that combines command and weapon control data, and acoustic sensors, resulting in a crew of only approximately 31 to 32.

Global Users

Besides Indonesia, which is currently developing its own, the Scorpène-class submarine has been successfully operated and built by several other maritime nations:

India: Building six submarines under Project P-75 (the final unit, INS Vaghsheer, was delivered in early 2025).

Brazil: Operating the larger Riachuelo-class Scorpène.

Malaysia: Operating two Scorpène-class submarines, delivered in 2009 and 2010.

Chile: Became the first country to order and operate this class.