Caleb Larson

Aerospace & Defense

Ukraine Has Received Its First RCH 155 Wheeled Howitzers Nearly 4 Years After Ordering Them. The Vehicle Fires While Driving, Carries 2 Crew Instead of the PzH 2000’s 5, and Ukraine Is the Only Country on Earth Operating It — Ahead of Germany, Britain, Qatar and Switzerland.

A NATO-standard 155mm/L52 gun on a Boxer 8x8 hull: 40 kilometers with base-bleed rounds, roughly 54 with V-LAP, eight rounds a minute, 30 rounds...

Caleb Larson21 hours ago

Su-57 artist rendering. Image Credit: Creative Commons.

Aerospace & Defense

Russia’s Su-57 Felon Has Exactly 1 Confirmed Export Customer: Algeria, Which Has Taken Delivery of 2 Aircraft. Estimates Put the Fighter’s Frontal Radar Cross-Section Between 0.1 and 1.0 Square Meters Against Roughly 0.0015 for the F-35A.

Russia ordered 76 Su-57s for delivery by 2027-2028. By early 2026 some estimates put the operational fleet at twenty to thirty. Moscow's defense industry...

Caleb Larson3 days ago

Aerospace & Defense

General Dynamics Is Delivering All 250 M1A2 SEPv3 Abrams Tanks to Poland in About 24 Months. Warsaw Ordered Them for $4,750,000,000 Along With 17 Bridge Layers and 26 Recovery Vehicles.

Poland ordered 250 M1A2 SEPv3 Abrams in April 2022, weeks after Russia's full-scale invasion of Ukraine, in a $4,750,000,000 package that also included 17...

Caleb Larson4 days ago

Aerospace & Defense

The Government Accountability Office Reviewed All 13 Programs in the US Air Force’s $21,000,000,000 B-52 Modernization and Found 10 of Them in Trouble. The Engine Replacement Went From $3,000,000,000 to $15,400,000,000.

The Government Accountability Office examined all 13 programs inside the US Air Force's roughly $21,000,000,000 B-52 modernization effort and found 10 of them running...

Caleb Larson4 days ago

Aircraft Carrier At Sea Creative Commons Photo

Aerospace & Defense

$850,000,000 Australian Submarine ‘Sank’ a $5,500,000,000 US Navy Nimitz-Class Aircraft Carrier By Evading US, Japanese, Canadian, Chilean, Korean, and British Forces — 6 Navies — and Photographed the Supercarrier

Australia's Collins-class submarines were noisy, unreliable and a national embarrassment for most of the 1990s. Then HMAS Waller went to US-led war games off...

Caleb Larson5 days ago

Aerospace & Defense

Ukraine’s FP-5 Flamingo Cruise Missile Carries a Bigger Warhead Than an American Tomahawk, Flies 3,000 Kilometers Into Russia, and Costs About $600,000 — Roughly 1 Sixth the Price.

The FP-5 Flamingo is nearly 40 feet long, weighs 6 tons, carries a 1,150-kilogram warhead — heavier than a Tomahawk's — and is credited...

Caleb Larson5 days ago

An artist's conception of the X-43A Hypersonic Experimental Vehicle, or "Hyper-X" in flight. The X-43A was developed to flight test a dual-mode ramjet/scramjet propulsion system at speeds from Mach 7 up to Mach 10 (7 to 10 times the speed of sound, which varies with temperature and altitude).

Aerospace & Defense

NASA Spent About $230,000,000 Over 8 Years on the Mach 9.6 X-43A Hypersonic Scramjet. It Flew 3 Times, the First 1 Was Destroyed by Its Own Booster, and the Engine Ran for Roughly 11 Seconds.

NASA's Hyper-X program ran 8 years and cost roughly $230,000,000, and it produced exactly 3 flights of the X-43A. The first ended with the...

Caleb Larson6 days ago

Aerospace & Defense

Russia’s Kilo-Class ‘Black Hole’ Stealth Submarines Were Sold in Batches to Both China and Iran

The Kilo-class earned the nickname "black hole" during the Cold War and has been trading on it ever since. Naval analyst H I Sutton...

Caleb LarsonSeptember 7, 2026

B-2 Bomber. The B-21 Raider will look very similar. Image Credit: Creative Commons.

Aerospace & Defense

The US Air Force ‘Elephant Walked’ 12 B-2 Spirit Stealth Bombers on 1 Runway at Whiteman AFB. That Was More Than Half of Every B-2 That Exists.

There are nineteen B-2 Spirits in the world and roughly ten to twelve of them are fully mission capable on any given day. In...

Caleb LarsonSeptember 6, 2026

A Japan Air Self Defense Force F-15 (F-15DJ) in flight, as viewed from the boom operator position of a U.S. Air Force KC-135 from the 909th Air Refueling Squadron, Kadena Air Base, after being refueled during air refueling training July 30, 2009.

Aerospace & Defense

Japan’s F-15J Interceptor Doesn’t Care About Your US Air Force F-22, F-35 or China J-20 Mighty Dragon Stealth Fighter Comparisons

Japan's F-15J is a licence-built Eagle and it was never a complete one. Mitsubishi Heavy Industries assembled most of the fleet in Japan, working...

Caleb LarsonSeptember 6, 2026

19FortyFive

Caleb Larson

Aerospace & Defense

Ukraine Has Received Its First RCH 155 Wheeled Howitzers Nearly 4 Years After Ordering Them. The Vehicle Fires While Driving, Carries 2 Crew Instead of the PzH 2000’s 5, and Ukraine Is the Only Country on Earth Operating It — Ahead of Germany, Britain, Qatar and Switzerland.

Aerospace & Defense

Russia’s Su-57 Felon Has Exactly 1 Confirmed Export Customer: Algeria, Which Has Taken Delivery of 2 Aircraft. Estimates Put the Fighter’s Frontal Radar Cross-Section Between 0.1 and 1.0 Square Meters Against Roughly 0.0015 for the F-35A.

Aerospace & Defense

General Dynamics Is Delivering All 250 M1A2 SEPv3 Abrams Tanks to Poland in About 24 Months. Warsaw Ordered Them for $4,750,000,000 Along With 17 Bridge Layers and 26 Recovery Vehicles.

Aerospace & Defense

The Government Accountability Office Reviewed All 13 Programs in the US Air Force’s $21,000,000,000 B-52 Modernization and Found 10 of Them in Trouble. The Engine Replacement Went From $3,000,000,000 to $15,400,000,000.

Aerospace & Defense

$850,000,000 Australian Submarine ‘Sank’ a $5,500,000,000 US Navy Nimitz-Class Aircraft Carrier By Evading US, Japanese, Canadian, Chilean, Korean, and British Forces — 6 Navies — and Photographed the Supercarrier

Aerospace & Defense

Ukraine’s FP-5 Flamingo Cruise Missile Carries a Bigger Warhead Than an American Tomahawk, Flies 3,000 Kilometers Into Russia, and Costs About $600,000 — Roughly 1 Sixth the Price.

Aerospace & Defense

NASA Spent About $230,000,000 Over 8 Years on the Mach 9.6 X-43A Hypersonic Scramjet. It Flew 3 Times, the First 1 Was Destroyed by Its Own Booster, and the Engine Ran for Roughly 11 Seconds.

Aerospace & Defense

Russia’s Kilo-Class ‘Black Hole’ Stealth Submarines Were Sold in Batches to Both China and Iran

Aerospace & Defense

The US Air Force ‘Elephant Walked’ 12 B-2 Spirit Stealth Bombers on 1 Runway at Whiteman AFB. That Was More Than Half of Every B-2 That Exists.

Aerospace & Defense

Japan’s F-15J Interceptor Doesn’t Care About Your US Air Force F-22, F-35 or China J-20 Mighty Dragon Stealth Fighter Comparisons

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