This stunning Hawaii ranch hides a forgotten WWII airfield you can still visit

Kualoa Ranch’s Wartime Transformation into Strategic Airfield

Pearl Harbor changed Kualoa Ranch forever. After the attack in 1941, the military took over 1,000 acres of sacred Hawaiian land to build a vital airfield.

Workers laid down thousands of steel Marston mats to form a 6,500-foot runway where cars had to stop when planes took off.

From 1944 to 1945, the 28th Photographic Reconnaissance Squadron flew P-38s from this base, gathering intel for Pacific battles.

Today, visitors to Kualoa Ranch can explore remnants of this forgotten airfield while touring the stunning landscape that once echoed with warplanes.

Pearl Harbor Attack Turned Sacred Ranch Land Into Military Airfield

After Japan bombed Pearl Harbor in 1942, the military grabbed 1,000 acres from Kualoa Ranch on Oahu.

Workers quickly turned this peaceful sugarcane land into Kualoa Airfield, a training base that backed up nearby Bellows Field. The military picked this spot along Kaneohe Bay as a backup in case main bases got hit again.

Local Hawaiian families watched their traditional ahupua’a land change from farms to a busy military spot almost overnight.

Steel Mats Made This Runway Different From Most Others

Kualoa Airfield used a building method you didn’t often see at regular bases. Workers built the entire 6,500-foot runway with interlocking steel planks called Marston Mats.

Each 70-pound steel piece had 87 holes and locked together at the edges, so crews could build a working runway in days not months.

The military never put concrete down at Kualoa, showing they planned to return the land after the war. These steel mats gave plane tires good grip while letting rain drain through.

Cars Had To Wait When Planes Took Off

The road to Ka’a’awa and the north shore ran right across Kualoa’s active runway, creating a traffic setup unlike any other in Hawaii. Local drivers learned to stop and wait when planes needed the strip.

Military police stood guard at the crossing, waving cars through between flights and stopping traffic when pilots started their engines.

This odd arrangement put all air traffic through this one crossing point, making Kualoa stand out for both pilots and locals.

Cliffs Protected Aircraft From Enemy Attacks

The military built protected spots along the runway’s west side, tucked against the steep Ko’olau mountain cliffs.

These shelters protected planes from possible Japanese air raids, with each spot carefully hidden to blend with the landscape.

Pilots parked their B-17 Flying Fortresses, B-18 Bolos, and LB-30 Liberators in these safe areas between missions.

The smart placement against the cliffs gave natural protection while making parked planes harder to spot from enemy submarines or scout planes.

Hidden Guns Guarded The Airfield From Invasion

The military dug Battery Cooper and other bunkers into the cliffs above Kualoa Airfield.

Workers put two 6-inch guns here as part of Kaneohe Bay’s three-battery defense system, ready to fire on any Japanese ships that came close.

Workers tunneled through the soft volcanic rock to make gun positions that could stand up to enemy fire.

These gun spots formed a key part of Oahu’s coastal defense network, placed to stop the invasion many military leaders thought would follow Pearl Harbor.

Training Flights Filled The Skies Above Kualoa

Many bomber and fighter groups came to Kualoa for training during the war. The 18th Fighter Group brought their P-40 Warhawks to the base.

Pilots practiced takeoffs and landings in B-17 Flying Fortresses, B-18 Bolos, and LB-30 Liberators, using the tricky crosswind conditions to improve their skills.

Kualoa mostly served as a training base rather than a combat center, with crews spending weeks learning their aircraft before moving to bases closer to the fighting.

Secret Photo Missions Started At This Hawaiian Base

The 28th Photo Recon Squadron moved to Kualoa on October 9, 1944, bringing special gear and skilled pilots.

This top unit flew changed P-38 Lightning fighters, F-4 Mustangs, and A-24 dive bombers, all with cameras instead of guns. The squadron kept its main base at Kualoa while sending smaller teams to islands closer to Japan.

Pilots spent weeks practicing risky solo recon methods, learning to fly fast and alone over enemy areas to bring back important photos.

Pilots From Kualoa Photographed Japanese Positions Across The Pacific

Teams from Kualoa spread across the Pacific, setting up on newly taken islands like Kwajalein, Saipan, and Peleliu.

Their cameras showed Japanese defenses during fights in the Eastern Mandates, Western Pacific, Ryukyus, and the major Air Offensive against Japan.

Pilots flew F-5 Lightning recon planes alone over heavily guarded Japanese spots, often without backup or weapons.

Missions ran from July 1944 through August 1945, with Kualoa-trained crews taking key photos that helped plan major attacks.

The Squadron Moved To Okinawa For The Final Push

The main squadron left Kualoa on May 8, 1945, moving to Okinawa’s Yontan Airfield as American forces got ready to attack Japan.

A smaller group kept flying from Ie Shima island, focusing on special photo missions over the Japanese home islands.

The squadron’s work went on through Japan’s surrender and into the early occupation, with pilots taking pictures of war damage and checking if Japan followed surrender terms.

The 28th finally closed on May 29, 1946, after finishing its Pacific mission.

The Land Returned To Its Original Owners

The military closed Kualoa Airfield between 1945 and 1947 as troops came home and the need for training bases dropped.

The 1947 Hawaiian Islands Sectional Chart listed the place as “Kualoa AAB (Closed),” making it official.

As promised, the military gave the land back to the original Kualoa Ranch owners, who started taking back their property.

Workers took up the temporary steel runway, leaving few signs of the wartime flying operations that had changed the peaceful valley.

You Can Still Find Traces Of War At Kualoa Today

The former airfield site now makes up parts of Kualoa Regional Park and the still-active Kualoa Ranch.

The City and County of Honolulu took over portions of the land in the 1970s to create a public park along the beautiful shoreline.

Visitors to the ranch can tour Battery Cooper, now repurposed as a movie museum showcasing the many films shot in the picturesque Ka’a’awa Valley.

Sharp-eyed tourists can spot remaining revetments and fortifications that stand as quiet reminders of the area’s strategic role during World War II, when Hawaii stood as America’s first line of defense in the Pacific.

Visiting Kualoa Ranch, Hawaii

Kualoa Ranch at 49-560 Kamehameha Highway in Kaneohe is open daily 7:30 AM to 6:00 PM.

You can visit the visitor center and cafe for free, but you need tours to explore the valleys where Kualoa Airfield operated from 1942-1947.

The Hollywood Movie Sites Tour and Jurassic Adventure Tour include Battery Cooper bunker from the WWII base.

Book online ahead of time because tours sell out. Check in 45 minutes before your tour starts.

This article was created with AI assistance and human editing.

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