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Which US State Is Impossible to Invade - Video học tiếng Anh
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Which US State Is Impossible to Invade
Which US State Is Impossible to Invade
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The United States can defend itself against almost any country on Earth.
0:03
But what if every state had to stand alone? Here are the states
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that could best fight off an invasion - and one that simply wouldn’t fall.
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Before we get to the states that could actually hold out, two would collapse almost immediately.
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12. Delaware
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The first and most glaring issue with Delaware is its size. It covers about
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2,500 square miles (6,475 sq km), making it the second-smallest state in the entire
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country. At its widest point, the state is just about 35 miles (56 km) across.
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That means a modern mechanized force could cross the entire state in a matter of hours.
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And the geography makes things even worse.
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Delaware is one of the flattest regions in North America. There are no mountain ranges,
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no dense forests, no swamps, and virtually no natural chokepoints - it’s a welcome mat for an
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invading army. Delaware’s population is just over 1 million people, ranking it among the
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least-populated states in the U.S, - and that means available manpower for defense would be
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extremely limited. Militarily, Delaware has very little standing combat power of its own.
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The state has no major active-duty U.S. Army, Navy, or Marine Corps bases within its borders.
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Delaware wouldn’t slow an invasion - it would barely register. The next state isn’t much better.
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11. Rhode Island
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Rhode Island also has a size problem,
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covering around 1,200 square miles (3108 sq km). From border to border,
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an invading force could move across the state in well under a day. The state has a long, indented
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coastline dominated by Narragansett Bay - one of the largest natural harbors on the East Coast.
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While that geography has historically been an economic asset, from a combat point of view,
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it’s a huge liability. The bay creates dozens of amphibious landing sites,
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and the surrounding low-lying coastal terrain offers few natural obstacles.
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When the bullets start to fly, Rhode Island brings
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very little to the fight. But from here on out, the picture changes.
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10. Pennsylvania
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Pennsylvania marks the transition point - not because it’s impossible to invade,
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but because it would be extremely hard to hold. The state’s biggest
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strength is its central location and massive infrastructure footprint.
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Most of the state is shaped by the Appalachian Mountains, including long,
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ridge-and-valley systems that funnel movement into predictable routes. These ridges, combined
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with narrow river valleys, create ready-made defensive lines, chokepoints, and ambush zones.
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Population is where Pennsylvania truly starts to separate itself from easier
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targets. With a population of around 13 million people, it has plenty of manpower.
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Large urban centers like Philadelphia and Pittsburgh act as industrial and
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transportation hubs - then there’s the dozens of mid-sized cities and towns filling the interior.
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Pennsylvania punches well above its weight at the state level.
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The crown jewel is Fort Indiantown Gap - one of the largest and busiest National Guard training
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centers in the United States, supporting training for more than 100,000 troops a
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year. That makes Pennsylvania a major center for mobilization and sustained operations.
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But some states don’t need massive bases - their defenses are built into the ground.
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9. Colorado
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Colorado stands out as a state where terrain and strategic infrastructure
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gives the advantage to defenders. The Rocky Mountains dominate the western and
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central portions of the state. Much of Colorado sits at elevations above 5,000
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feet (1,524 meters), with over 50 peaks exceeding 14,000 feet (4,267 meters). This
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mountainous interior severely restricts large-scale movement for any opposing forces.
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The Colorado Springs region hosts some of the most critical command, control,
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and early-warning infrastructure in the United States. Facilities such as Peterson Space Force
3:27
Base often support critical missions, while the Cheyenne Mountain Complex remains one of the
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most famous hardened military facilities in the world. Then there is Fort Carson
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Army Base and the United States Air Force Academy, which means Colorado would have
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both ground and air forces at their disposal. Colorado’s interior position adds another layer
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of defense. With no coastline and long distances to any entry point, an invading force would have
3:51
to fight deep inland through rugged terrain before reaching anything that actually matters.
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Paired with a strong National Guard presence and a population comfortable in high-altitude terrain,
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Colorado gives defenders time, space, and advantages an attacker can’t easily overcome.
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And if you think Colorado's terrain is formidable,
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in this next state the people are the first line of defense.
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8. New York
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New York has a population of about 19.5 million people, making it the fourth-most populous state
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in the United States. That concentration of people translates directly into manpower,
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logistical capacity, and resistance potential - which makes sense if you’ve met a New Yorker.
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New York’s geography combines major ports, inland rivers, and rugged terrain. The Hudson
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River forms a natural north–south corridor that is both strategically vital and defensible.
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Meanwhile, regions like the Appalachian highland and Adirondack mountains break
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up movement and create defensible interior zones far from the coast.
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New York also has substantial in-state forces capable of immediate response.
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Fort Drum is home to elements of the 10th Mountain Division,
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one of the U.S. Army’s most combat-experienced and rapidly deployable light infantry formations.
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Trained for cold weather and rugged terrain, the division is tailor-made
5:02
for the conditions an invader would face in New York’s north and interior.
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But New York’s true defensive nightmare for any invader is urban terrain. New York City alone
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contains around 300 square miles (777 sq km) of dense urban development - subways, tunnels,
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bridges, high-rise buildings, and underground infrastructure. Urban environments like these
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overwhelmingly favor defenders, and in a city of this size, even a small fraction of the population
5:26
resisting could tie down occupying forces. Every block becomes a chokepoint, every building a
5:31
potential stronghold, and every transportation artery a vulnerability for an occupier.
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If New York is hard to take, the next state levels up - and adds gators.
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7. Florida
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Florida looks easy on a map. In reality, it’s an occupation nightmare. The first
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challenge is sheer exposure. Florida has over 1,300 miles (2,092 km) of coastline.
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It’s surrounded by the Atlantic Ocean and the Gulf of America - formerly the
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Gulf of Mexico. This creates dozens of potential landing sites that are
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impossible to defend all at once - but just as hard for an attacker to control after landing.
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The Sunshine State is home to about 22 million people… and some of them are Florida Man - and
6:08
he comes packing. Florida has one of the largest civilian firearm populations in the United States,
6:13
with millions of privately owned guns. While this doesn’t replace organized military force,
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it significantly lowers the chances of occupation and pacification - especially in suburban sprawl.
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Militarily, Florida has Macdill Air Force Base in Tampa, which is one of the most strategically
6:29
important air installations in the U.S. It hosts U.S. Central Command and U.S. Special Operations
6:35
Command headquarters, along with major aerial refueling and airlift units. That makes MacDill
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a vital logistics, command, and coordination hub - and a high-value, heavily protected target.
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Then there’s the terrain no invading force wants to deal with: The Everglades. Covering
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approximately 1.5 million acres (607,028 hectares), this expanse of swamps, wetlands,
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and sawgrass marshes is a nightmare for occupying forces. Roads are limited,
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visibility is poor, and the environment itself becomes an enemy. And of course,
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there is always the risk of being attacked by alligators.
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Up to this point, invasion has been difficult. From here on out,
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it becomes strategically reckless.
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6. Washington State
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Washington’s rugged, irregular coastline along the Pacific Ocean creates a natural barrier,
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while Puget Sound forms a highly defensible maritime environment.
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Any invading force attempting a coastal landing would immediately face numerous
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chokepoints and navigational hazards. That immediately rules out surprise assaults.
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Strategically, Washington is home to Joint Base Lewis–McChord (JBLM), one of the largest
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military installations in the continental United States. JBLM hosts tens of thousands of Army and
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Air Force personnel, along with extensive training ranges, airlift capabilities, and
7:47
rapid deployment units. That makes it a powerful hub for regional defense and force projection.
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Inland, Washington is far from easy terrain. The state is dominated by
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the Cascade and Olympic mountain ranges, which form natural defensive barriers. Combined with
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the state’s significant National Guard presence and access to airlift and logistics through JBLM,
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these geographic features multiply the problems an invading force would face.
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And this is where the list stops being theoretical.
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5. Virginia
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At this point, invasion stops being about terrain
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and starts being about concentration. Virginia is where that becomes obvious.
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Geographically, the state offers layered defensive terrain. The eastern portion
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includes the complex Atlantic coastline - filled with estuaries, inlets, rivers,
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and peninsulas. Inland, the terrain rises into the Blue Ridge Mountains and Appalachian foothills,
8:36
where ridgelines, forests, and narrow valleys create natural defensive lines.
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Virginia’s military footprint is one of the largest in the nation. The state is
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home to Naval Station Norfolk, the largest naval base in the world.
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Nearby facilities such as Langley Air Force Base, Marine Corps Base Quantico, Fort Belvoir,
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and Fort Gregg-Adams host Army, Air Force, Marine Corps. Good luck getting an easy victory here.
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Virginia packs power into a small space,
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but the next state spreads it across an entire continent-sized area.
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4. California
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California ranks near the top of the hardest-to-invade states because it
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combines a massive population, strategic military infrastructure, and complex terrain.
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The state is home to around 40 million people, making it the most populous state
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in the United States. This provides an enormous pool of potential defenders - both in terms of
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organized military personnel and civilian manpower capable of supporting resistance or insurgency.
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Geographically, California presents a variety of natural defenses. The state has a long coastline
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along the Pacific Ocean, stretching over 800 miles (1287 km) punctuated by major ports
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including San Diego, Los Angeles, and Oakland. These are critical for both defense and supply,
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enabling rapid reinforcement, resupply, and power projection along the coast. Inland,
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the Sierra Nevada mountain range and numerous valleys create natural defensive corridors.
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California’s military infrastructure is equally formidable. The state hosts Naval Base San Diego,
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the largest Navy base on the West Coast. Then there’s Camp Pendleton,
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a major Marine Corps installation, Edwards Air Force Base, a premier test and training facility,
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and National Training Center at Fort Irwin - one of the largest and most advanced Army
10:13
training areas in the country. These bases support thousands of combat-ready troops,
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aviation assets, armored units, and extensive training programs.
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The state’s technology, energy, and manufacturing sectors provide the
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ability to sustain resistance, repair infrastructure, and coordinate defenses
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even under prolonged pressure. Combined with mountains, deserts, and coastal defenses,
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California becomes extremely hard to seize and nearly impossible to hold completely.
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The next state turns the battlefield into a war of distance - and endurance.
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3. Texas
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Everything is bigger in Texas - and that causes a problem for any invasion force. With a land
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area of around 268,000 square miles (694116 sq km), it is the second-largest state in the
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United States. It’s larger than France. This massive size gives defenders enormous depth,
11:00
making it impossible for an invading force to quickly take over the entire state. Add
11:05
in a population of 30 million people, and Texas also provides a vast manpower
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pool for both organized military units and local resistance efforts.
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Texas is also heavily militarized. The state hosts multiple major Army and Air Force bases,
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including Fort Hood, Joint Base San Antonio, and Fort Bliss. These bases
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serve as hubs for deployment, logistics, and sustained combat operations, giving Texas the
11:28
ability to defend itself, counterattack, and maintain operations deep into its territory.
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Additionally, Texas’ interstate highways,
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rail networks, and energy infrastructure create internal logistical resilience,
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allowing defenders to move troops, equipment, and supplies efficiently across vast distances.
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And after Texas, invasion stops being a land problem at all.
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2. Hawaii
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Located roughly 2,400 miles (3,862 km) from the U.S. mainland,
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Hawaii is completely isolated in the middle of the Pacific Ocean.
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Any invasion would require a massive sealift or airlift operation. That
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alone creates a logistical nightmare. Supply lines would be extremely vulnerable, and any
12:07
delay or disruption could doom an invading force before it even reaches the islands.
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The state’s geography places the odds on the side of the defender. Hawaii is
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an archipelago of islands, each with rugged volcanic terrain, steep cliffs, and limited
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beaches suitable for amphibious landings. Urban areas are limited and concentrated,
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while interior regions are mountainous and covered in dense tropical vegetation - perfect for any
12:30
counterinsurgency. Enemy forces attempting to capture the islands would be funneled into
12:34
narrow beachheads, making them susceptible to defensive fire, counterattacks, and attrition.
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Military infrastructure in Hawaii is formidable. Pearl Harbor, on Oahu, serves as the headquarters
12:45
of the U.S. Pacific Fleet. Adjacent Joint Base Pearl Harbor–Hickam integrates air and sea power,
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providing both defensive and rapid-response capabilities. These bases also function as
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critical logistics nodes, allowing defenders to quickly reinforce positions and resupply units.
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The presence of such hardened and well-coordinated military assets ensures that any invading force
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would face a highly capable and prepared defender from the very first landing.
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And now we reach the state that breaks every invasion model.
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1. Alaska
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At the very top of the list is Alaska, a state that combines enormous size, harsh terrain,
13:21
and extreme isolation. It spans roughly 586,000
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square miles (1.5 million sq km), making it larger than Texas and California combined.
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Its interior and northern regions are dominated by Arctic and subarctic
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environments, including mountain ranges, glaciers, tundra, and dense forests.
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Winter conditions can be extreme, creating additional obstacles for any invading force.
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Population density is another critical factor. Alaska is home to only around 740,000 people,
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resulting in an average of 1.2 people per square mile (0.46 per sq km), among the
13:52
lowest in the United States. This sparse population means that an invader could
13:56
not rely on local resources for logistics or occupation support. Roads are limited,
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particularly outside urban centers, and much of the state is accessible
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only by air or sea - supply lines would be long, tenuous, and highly vulnerable.
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The coastline further complicates any potential invasion. Alaska has
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over 6,600 miles (10,621 km) of mainland coastline, creating countless potential
14:18
landing sites that would require monitoring or defense. The interior and coastal islands,
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often rugged and difficult to navigate, provide natural defensive depth and numerous
14:28
areas for defenders to stage ambushes, guerrilla operations, or counterattacks.
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Alaska also hosts significant military assets geared toward defense and early
14:37
warning. Joint Base Elmendorf–Richardson and Eielson Air Force Base support air defense,
14:42
rapid deployment, and Arctic-capable units. Meanwhile a network of early-warning radar
14:47
installations provides extensive surveillance of northern approaches. These facilities,
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combined with highly trained personnel accustomed to extreme conditions, ensure
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that any invading force would face well-prepared defenders in terrain that favors the home force.
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Now watch “THIS is How the US Will Defend the
15:03
Homeland From an Invasion.” Or check out “Countries Easiest to Invade.”
