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A Dark Day In Dallas By Will Dabbs, MD

Three Guns That Changed America

These three guns fundamentally changed the
landscape of American gun culture.

 

Every generation has its own seminal moment. You never forget where you were when you heard the news. In my grandparents’ case that was the surprise attack on Pearl Harbor. For folks my age it was 9/11. American adults alive in 1963 found their seminal moment in the brutal assassination of President John F. Kennedy.

There are several reasons for this. Thankfully, American Presidential assassinations are fairly rare. There have only been four — Abraham Lincoln, James Garfield, William McKinley and Kennedy. In JFK’s case, the whole sordid thing was also filmed in gory detail. The man got his brains blown out in public whilst sitting alongside his pretty young wife. This, plus the fact even today, nobody seems to be completely satisfied with the government’s version of who did it.

Three men ultimately perished. JFK was obviously the target. His presumed killer, Lee Harvey Oswald, shot and killed a Dallas patrolman named JD Tippit 45 minutes later while on the run. Oswald was subsequently gunned down by a local mobster named Jack Ruby. Bob Johnson’s iconic photograph of a grimacing Oswald just as Ruby touched off his modified Colt Cobra won the Pulitzer Prize.

These three killings involved three different firearms. Each had a quirky story. Here are the details.

For a few days at least, Lee Harvey Oswald was the most hated man in America. Photo: U.S. Government

The Shooter

Lee Harvey Oswald was a weird guy. He burned through 22 addresses and a dozen schools before he enlisted in the U.S. Marine Corps at age 17. While serving as a Marine, he accidentally shot himself in the elbow with a contraband .22-caliber handgun and was disciplined for firing his M1 rifle into the Philippine jungle while on guard duty.

In 1959 after his discharge, Oswald traveled to the Soviet Union and attempted to secure Soviet citizenship. When the skeptical Russians refused, Oswald slit his wrists. He survived and went on to marry a Russian woman named Marina Prusakova. Three years later, a disillusioned Oswald returned to the States with his bride.

The Carcano 91/30 purportedly used by Oswald to kill JFK
was actually a pretty craptastic rifle. Photo: U.S. Government

The Rifle

We have Lee Harvey Oswald to thank for the 1968 Gun Control Act. The 68 GCA transformed gun ownership in America. Prior to that law, firearms could be freely bought and sold through the mail and need not even bear a serial number.

It was the GCA that established our familiar system of Federal Firearms Licensees. Oswald bought the assassination rifle under the alias “A. J. Hidell” via an ad in the back of the American Rifleman magazine. He had the weapon shipped to a P.O. box.

The advertisement actually listed the gun as a “6.5 Italian Carbine.” The illustrated weapon was a bolt-action Carcano Model 91 TS. However, Klein’s Sporting Goods had been unable to source this specific model. They replaced it with the very similar Model 91/38. Oswald’s 91/38 has a slightly longer barrel and left-sided sling mounts. Those of the TS are usually, but not always, mounted on the bottom. The two guns were otherwise nearly indistinguishable in dim light.

Oswald gave $19.95 for his Italian surplus 91/38 complete with a civilian optic mounted by the distributor. This would be about $195 today. The same rifle without the scope was $12.78. He paid $1.50 in shipping.

Oswald’s 91/38 Carcano was originally built in 1940 in Terni, Italy. It fired a Winchester Western 160-grain 6.5x52mm round-nosed cartridge and fed from a six-round en bloc clip. The 4X sight was produced by a company called Ordnance Optics. The serial number of the gun was C2766.

Roughly two weeks after taking possession of the weapon, Lee Harvey Oswald used it to try to kill white supremacist U.S. Army General Edwin Walker. Oswald attempted to shoot the segregationist military officer in his home, but the WWI-vintage round-nosed bullet deflected off of a window frame.

If the government report is to be believed, Oswald subsequently set up in the Texas Book Depository on November 22, 1963, and fired a total of three rounds as JFK’s vehicle passed by. Three empty cases were later found with the abandoned rifle. The average range was about 265 feet. One round passed through the president’s neck and was potentially survivable. Another took much of his head off. The third was never definitively accounted for.

In the hands of a skilled marksman, Oswald’s 91/38 rifle was fully capable of the kind of performance demanded of it that horrible day. However, subsequent firing trials with the actual weapon showed its zero to be 2.5″ high and 1″ right when fired from a rest at 15 meters. Most bystanders reported hearing either three or four shots.

Dabbs found this cool aluminum hammer shroud online (left). Mounting it up required drilling and tapping the frame, but he did so by hand with a cheap drill press.

Dabbs found this cool aluminum hammer shroud online.

The Escape

Lee Harvey Oswald fled the scene and was later confronted by Officer Tippit who was acting on a physical description of the JFK shooter. JD was Tippit’s actual first name. The letters didn’t stand for anything. Tippit had earned the Bronze Star for Valor while serving as a paratrooper in Europe during World War II and had three kids.

Oswald was carrying a snub-nosed Smith and Wesson .38 Victory Model he had also purchased under an alias through the mail. Without warning, he shot the cop in the chest, belly and head. Tippit was declared dead 10 minutes later in a nearby hospital. Oswald was apprehended in short order. It was not until later that he was officially tied to the JFK shooting.

Lee Harvey Oswald’s handgun was presumably a British Lend-Lease S&W Victory Model in .38/200 rechambered to .38 Special with a cut-down barrel. These modifications made it difficult to get a ballistic match on the rounds that killed Officer JD Tippit.

Comparison (L-R) — The 5.56x45mm, the Italian 6.5x52mm
and the 7.62x51mm. The round-nosed 160-grain WWI-vintage
6.5x52mm bullets were undeniably horrific downrange.

Vengeance

Oswald vigorously denied any involvement in the killings of either JD Tippit or the President. However, his palm print was found underneath the furniture on the Carcano, and the eyewitnesses tying him to the Tippit shooting were compelling. Two days after the murders, Oswald was being transferred from the Dallas Police headquarters to the County jail under heavy police escort.

Local nightclub owner and mobster Jack Ruby was a frequent visitor to police HQ. His presence aroused little suspicion. It has actually been postulated that Ruby might have been welcome for having habitually supplied loose women to some of the cops.

Without warning, Ruby lunged forward, shoved his Colt Cobra .38-caliber pocket revolver into Oswald’s belly and fired. That single round perforated Oswald’s stomach, spleen, aorta, inferior vena cava, kidney, liver and diaphragm. It ultimately stopped on the far side against his 11th rib. Oswald bled out in short order.

Ruby paid $62.50 for the Colt Cobra on January 19th, 1960 at Ray’s Sporting Goods in Dallas. A cop buddy named Joe Cody had recommended he get the gun given the large amounts of cash he handled in the course of running his strip joint, the Carousel Club.
Cody actually bought the gun for his mobster buddy as a straw purchaser because cops did not have to pay tax on firearms purchases. Cody and Ruby subsequently exchanged both the money and the gun outside the shop. Having the cop buy the piece saved Ruby $18.

Ruby was immediately arrested. He claimed he spontaneously shot Oswald to “save Mrs. Kennedy the discomfiture of coming back to trial.” Ruby subsequently developed disseminated cancer while in prison and died in 1967 at age 55. His actions and subsequent death have provided fodder for countless conspiracy theories.

Ruby’s snub-nosed Cobra was stock save for its curious aluminum hammer shroud. The shroud still allowed the hammer to be manually cocked but did make the gun much less likely to snag on loose clothing. There followed a 24-year legal fight over ownership of the weapon. In 1991 the gun was sold at auction for $220,000. The new owner sold fired bullets out of it for $1,000 apiece to fund his favorite charities. The pistol was confiscated by Capitol Hill police after being carried in D.C. illegally but was finally returned after yet another long legal battle. The owner subsequently sold it yet again, but I was unable to locate a reliable price.

The moment Jack Ruby shot Lee Harvey Oswald was captured by photographer Bob Johnson. The image earned him a Pulitzer Prize.Photo: Public Domain

Ruminations

A local clothier named Abraham Zapruder captured everything on his home movie camera, establishing the specific timeline of the shooting. His is the most scrutinized motion picture in human history.

In 1999, the U.S. government paid Zapruder’s heirs $16 million to incorporate the footage into the National Archives. That works out to $615,384 per second. In all of American history, little has been more controversial than the JFK assassination.

Conspiracy theorists question absolutely everything and become angry just talking about it even today. What is not in dispute, however, is that these three guns did fundamentally change the American political landscape.

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U.S. Navy’s WWII Radar-Guided Bat Glide Bomb By Tom Laemlein

Striking enemy ships with airborne munitions became a priority after World War I. While the challenges were monumental at the time, the rewards for success were too great to pass up. However, bombs and torpedoes dropped by early naval strike aircraft stood little chance against armored warships bristling with AA guns. Faced with this, the United States Navy sought a solution based in some of the most advanced technology of the era.

ASM-N-2 Bat glide bomb carried by Consolidated PB4Y-2 Privateer
ASM-N-2 Bat glide bombs are carried on the wings of a Consolidated PB4Y-2 Privateer — one on each wing. Image: U.S. Navy

At the beginning of World War II, radar was coming into service with British armed forces. England shared that technology with the United States, and in 1940 the US Navy coined the term “radar” as an acronym for “radio detection and ranging”. At the same time, television technology was being refined and incorporated into military applications.

The desperate arms race drove technology farther and faster than ever before, and by April 1945, the US Navy deployed the ASM-N-2 Bat radar-guided glide bomb, the first automated anti-ship weapon to be used in combat.

Enter the Dragon

The concept of a TV-guided weapon arrived even before America was at war, as the Radio Corporation of America (RCA) proposed an anti-ship weapon in January 1941 that leveraged RCA’s television technology. Nicknamed the Dragon, the weapon used a nose-mounted TV camera to allow its operator to guide the glide-bomb to its target. The system worked well from a mechanical standpoint, but the early TV guidance technology was wonky, and the Dragon proved inaccurate.

ASM-N-2 Bat air to surface guided missile
Shown here is an ASM-N-2 Bat air-to-surface guided missile during development and testing. Image: U.S. Navy

In 1942, the US Navy struggled to counter the U-boats operating off the Atlantic seaboard, and a radar-guided bomb seemed a good solution for America’s thinly stretched defenses. In June 1942, the Navy began testing the Pelican, which used new “semi-active” radar homing technology. A year later, Western Electric upgraded the Pelican design with its “active radar” homing system.

Coupled with a 2,000-pound warhead, the upgraded Pelican achieved a 50% hit rate during tests at NAS New York. Additional tests and modifications followed, and the warhead was reduced to 1,000 pounds as the smaller explosive was shown to be sufficient for the expected types of targets. For a time, it seemed the Pelican would be the Navy’s production missile, but as the target types changed to surface vessels, the Pelican gave way to the Bat.

ASM-N-2 Bat undergoes pre-flight checks
U.S. Navy technicians perform pre-flight checks on a ASM-N-2 Bat. Image: U.S. Navy

The ASM-N-2 Batwas a self-contained weapon system. While the Pelican required its mothership to continuously paint the target with a radar beam, the Bat’s onboard homing allowed much more flexibility with the launch aircraft. This early “fire and forget” system was considered a significant advantage in the face of enemy interceptors and AA fire.

Becoming the Bat

The Bat was a product of many fathers, with contributions by the National Bureau of Standards, assisted by the Navy’s Bureau of Ordnance, the Massachusetts Institute of Technology, and Bell Telephone Laboratories. While the Bureau of Standards developed the Bat’s aerodynamic and gyroscopic stabilizing systems, Bell Labs worked with MIT on the guidance mechanism.

close up of Bat glide bomb attached to the wing of a PB4Y-2 Privateer
A close up photograph of a Bat glide bomb attached to the wing of a PB4Y-2 Privateer. Image: U.S. Navy

The Navy’s Bureau of Ordnance said in its final review of the system:

“Bat was the product of many hands and minds. Of the groups working, Division 5 sponsored the Bureau of Standards organization, which built and tested the airframes and servomechanisms, the MIT Servomechanisms Laboratory, and the MIT Field Experimental Station. The results obtained can amply sustain credit for all concerned.”

Throughout the development process, radar systems were continually upgraded, and this demanded ongoing modifications to the Bat’s operating system. Advancing technology “moved the goal posts” several times, and the necessary modifications needed to make the Bat a workable weapon system, often seemed more of a setback than an enhancement. Plans were established to produce nearly 500 Bat bombs per month in the late summer of 1945—but at the end of 1944, the development team feared the war would be over before their brainchild could see service.

Consequently, development was refined enough to build 72 Bat glide bombs by the end of March 1945. Along with a cadre of experts, these were sent to the Naval Air Station at Kaneohe, Hawaii for training. The ASM-N-2 Bat (or SWOD, “Special Weapons Ordnance Device”,Mark 9 Modification 0) using an NBS airframe carrying a 1,000-pound AN-M65 GP bomb was readied for combat.

comparison of Bat tail types
There were two different tail types used during the Bat program. Both are shown here. Image: NARA

The Navy designated Number Two Wing, comprising squadrons VPB-109, VPB-123 and VPB-124, flying Consolidated PB4Y Privateer patrol bombers (the naval version of the B-24 bomber) as the initial Bat carriers. Other Navy aircraft were modified to carry the Bat, including the including the Vought F4U Corsair, the Curtiss SB2C Helldiver, and the Grumman TBF Avenger, but the PB4Y-2B Privateer was considered the best launch platform. The Privateer could carry one Bat under each wing in combat.

VPB-109 was sent to Hawaii to train with the new bombs, but only 10 days were provided to train the radar operators and ordnance teams. A few of the development team’s scientists accompanied the Privateer squadron to the PTO, helping to train the Bat operators and consult with the ordnance teams on assembly and maintenance.

The Bat Defined

The US Navy defined its radar-guided Bat in the following terms in its “Explosive Ordnance Manual”:

S.W.O.D. (Special Weapons Ordnance Device) Mk 9, or “Bat”, is a glide bomb. equipped with a radar homing set mounted in the nose. It is designed primarily for attacking. marine targets and is effective for night or day attacks upon shipping in any weather in which the parent plane can fly. The launching planes need not stay in the vicinity of the target and may release as many as four of these missiles in salvo.

The airframe consists of plywood sections which are fitted around the Bomb AN-M65. Control surfaces consist of an elevon on each wing which can be moved to control pitch or bank. There are no control surfaces on the tail.

engineering drawing of Bat glide bomb
Shown here is an engineering drawing of a later variant of the Bat glide bomb. Image: NARA

In order to ensure destruction of the intelligence system the Demolition System Mk 122 is used.

Installation of the Fuses Mk 235 and Mk 236, with their outside windmills and flexible arming stems, is standard.

Control: This missile has its own radar transmitter and receiver. When the target is located on the scope of the monitor unit in the plane, it is put into the range step of the missile’s scope and is automatically kept there. At the correct instant, determined by a glide ratio scale, the missile is released and is guided to its target by the radar signal in its own scope. The guiding. radar supplies corrections to the servo system, which is also controlled by a gyro pilot, the device which maintains flight attitude

1,600-pound “Bat” S.W.O.D. Mk 9 (Air-to-Surface Missile)

Overall length 11.9 feet.

Wing span 10 feet

Total weight, 1,600 pounds.

Warhead: 1,000-pound GP bomb AN-M65

Fusing: Nose: Mk 235 Mod 0 Тail: Мk 236 Mod 0

Notes from the Bat Manual

I am certainly not a rocket scientist, so found portions of the wartime Bat operator’s manual to be helpful in describing some of the more technical aspects of weapon system.

TBM Avenger carries Bat glide bomb in flight
A TBM Avenger, which was a TBF Avenger manufactured by General Motors, carries Bat glide bomb in flight. Image: U.S. Navy

Theory of Operation:

In SWOD Mk 9 Mod 0 the basic flight control of the air stabilizer is accomplished by two rate gyros (a pitch gyro and a turn gyro) which close and open contacts, operating the clutches of the servo. These air-driven gyros are powered by a Venturi tube projecting into the air stream.

A third gyro, designated “bias gyro”, sensitive to yaw motion only, is included in the gyro panel for the purpose of effecting a damping of yaw oscillations or hunting. A self-contained S-band radar transmitter and receiver is used to illuminate the selected target and to receive the returning echoes from it. The transmitter radar pulses from the antenna are directed by the rotating parabolic reflector so that the beam scans a cone-shaped area directly ahead of the missile. The returning target echoes are received by the same antenna, and the amplitude of the returning echoes varies with the directional pointing of the antenna beam. The returning target echoes are distributed by a commutator, mechanically coupled to the parabolic reflector, to four channels so that as the antenna beam is pointed down, right, up, or left, the returning echoes are segregated by quadrants. The echoes in each quadrant are converted by the directional control circuit of the radar into a direct current voltage which is proportional to the amplitude of the echoes of that quadrant.

The complete missile is suspended from the parent plane by means of a special bomb frame equipped with a standard bomb release unit such as Bomb Rack Mk 51 Mod 7. Sway braces are provided to keep the missile in a fixed position on the plane until release. The bomb fuses are mechanically armed after release by air vanes attached to the fuselage of the air stabilizer. Arming wires attached to the bomb rack release the air vanes at the time of drop-away in the conventional manner.

BAT operators position on Privateer
The Bat operator’s position in the PB4Y-2B Privateer bomber. Image: NARA

The Bat was considered breakthrough technology at the time, but even so it was fragile, sensitive, and sometimes downright wonky. The operator’s manual offers several “easier-said-than-done” tips for successful use:

“The parent plane should be straight and level for the last five seconds of the time that the SWOD Mk 9 is being readied for release. This permits the BAT to drop away normally on its glide path. The dropping aircraft should also be heading directly toward the target. Preferable air speed at the time of release is between 180 and 200 knots, with 140 knots as the minimum and 210 knots maximum.”

Land attacks were particularly tricky, given that ground clutter easily confused the radar guidance system:

“Isolated target which gives a strong signal from 10 miles distance and is at least 2 miles from any equal or stronger signal.”

Meanwhile, overwater attacks were little easier, enemy ships rarely cooperated with adequate spacing.

“Target over water must be isolated by ½ mile from targets of equal or greater strength.”

Finally, the care and maintenance of the Bat demanded gentle handling and preferably a clean, dry, and temperate environment.

“It cannot be too strongly stressed that the SWOD Mk 6 Mod 1 (Gyroscopic assembly) contains gyro units which must be handled with as much care as normally would be given to a precision electrical meter. While units can withstand the mild shocks they will receive in transportation and normal use, they cannot be dropped or otherwise mistreated.”

The Bat in Action

As VPB-109 began operations on Palawan atoll during April 1945, the squadron soon found their greatest enemy wasn’t the Japanese, but rather the extreme environment of their Pacific island base. The sensitive mechanics of the new technology did not operate well within the extreme heat and high humidity.

Loaded onto the Privateers on the hot and sweaty Palawan runway, condensation soon formed inside the Bat’s radar brain when carried to their operational altitude (15,000 to 25,000 feet). Mechanical problems were common, and several Bats simply failed completely. Ground crews worked tirelessly to learn, adapt, and correct the problems.

TBM Avenger launches a Bat glide bomb
TBM Avenger launches a Bat glide bomb Image: U.S. Navy

The Bat’s first combat launch came on April 23, 1945, during VPB-109’s attack on Balikpapan harbor. Eight of the missiles were launched at a large Japanese freighter—and immediately half fell out as inoperable. The remaining four did not strike the designated target, their radar confused by the land mass clutter behind the target.

Even so, a small freighter was struck at the pier, a picket boat was hit while patrolling the harbor, and two Bats slammed into a nearby oil refinery. The first Bat strike was not a resounding success, but the crews and their new weapon had drawn blood, and the radar-guided missile concept was being proven.

The Navy Bureau of Ordnance commented on the early Bat missions:

“It was evident, even to the Japanese, that something was brewing when the squadron arrived on Palawan. The Bats had to be slung outside the carrying plane, one hung under each wing, and that was a tip-off. What was afoot turned out to be the first use of a completely automatic homing aerial bomb in combat.

At intervals from May until August 1945, a number of Bats were released experimentally against the enemy. As Japanese shipping was disorganized by that time, the only available targets were small ships, usually in or near harbors. In spite of the increased difficulty this situation presented to the operators, good hits were obtained. From distances of several miles, well beyond effective anti-aircraft fire, the Bats followed moving targets relentlessly until destruction was accomplished. The most spectacular of the hits occurred when an ammunition-laden picket boat vanished in one terrific blast and when a hapless destroyer had its bow blown off.”

Bat air to surface glide bomb strikes a target ship
An ASM-N-2 Bat air-to-surface glide bomb caught in this photo just a moment before it struck a target ship. Image: U.S. Navy

By mid-May, VPB-109 moved to Okinawa. The conditions on Yontan Field were particularly soggy, and heavy rain greatly interrupted Bat operations. Also, the special tools, test instruments, and spare parts were lost when the squadron transport aircraft ditched in bad weather on the flight to Okinawa. Meanwhile, Japanese shipping was moving almost exclusively by night, and Privateers were forbidden to fly after dark to prevent being mistaken for Japanese night raiders.

Even so, VPB-109 made 13 Bat launches during its month on Okinawa—and three of these were hits. Privateer squadrons VPB 123 and VPB 124 joined the fight in July, and conducted several strikes on Japanese destroyers—with one direct hit recorded on a destroyer escort. VPB-109 launched the last Bat in combat on August 10, 1945, a near miss on a tanker off the coast of Korea.