NATIONAL RAILWAY HISTORICAL

DENVER, CO

Tulips Denver Botanic Gardens
Tulips Credit: mclcbooks

The National Railway Historical Society is a non-profit organization located in Denver, Colorado. Founded in 1935, the society is dedicated to preserving and promoting the history of railways in the United States. Its mission is to educate the public about the vital role that railways have played in the country's economic growth and development.

The society's collections include a vast array of historic railway artifacts, photographs, maps, and documents, as well as a large selection of model trains and locomotives. In addition to its extensive collection, the society also offers a wide range of educational programs and events, such as lectures, workshops, and train rides.

One of the society's most notable achievements is the restoration of the Denver and Rio Grande Western Railroad's historic 1880 steam locomotive, which is currently on display at the Colorado Railroad Museum in Golden, Colorado.

Overall, the National Railway Historical Society is a valuable resource for anyone interested in the history of railways in the United States. Through its collections and educational programs, the society helps to preserve and promote this important aspect of the country's cultural heritage.

NATIONAL RAILWAY HISTORICAL is a Historical Societies, Historic Preservation in DENVER CO. US MID #8400800456

The museum is classed as HSC (Historical Societies, Historic Preservation). It comes under American Alliance of Museums (AAM) region: Mount Plains (Colorado, Kansas, Montana, North Dakota, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Wyoming).

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Lowry: The First Titan Missile Base Wings Over the Rockies Air and Space Museum To prevent nuclear war, our enemies had to understand that if they struck first, enough of our missiles would survive to destroy their country. The Titans were kept safe in underground concrete silos and raised to the surface before launch.
B28RE Nuclear Bomb Wings Over the Rockies Air and Space Museum Mk28/B28RE Hydrogen Bomb The Mk28 hydrogen bomb, although first produced in 1958, remained an active item until 1991. It was designed to be carried by various fighter and bomber aircraft (F-100, F-104, F-105, B-47, B-52, and B-66). This weapon is capable of a ground or air burst and may be carried internally or externally, with a free-fall or parachute retarded drop, depending upon its configuration. The W28 small diameter, light weight thermonuclear warhead in Mk28 became the most versatile and widely used design ever adopted by the United States. This tactical and strategic thermonuclear bomb had the longest US service duration (33 years) and 2nd largest production run of any U.S. weapon design with over 4500 produced. The last weapons were retired from the U.S. arsenal in 1991. The Mk-28 employed the "Building Block" principle, permitting various combinations of components to be combined: B28EX -Carried externally by F-100, F-105, and F-4; no parachute. B28RE - Carried externally; equipped with one 4-ft. pilot chute and one 28 ft. ribbon chute. B28IN - Carried internally by B-52 and F-105; no parachute. B28RI - Carried internally; equipped with one 4-ft. pilot parachute, one 16.5-ft. ribbon extraction chute, one 64-ft. solid chute, and one 30-in. stabilization chute. B28FI - Carried internally; equipped with one 4-ft. pilot chute, one 16-ft. and one 24-ft. chute. This Mk28RE was used at Lowry to teach students how to load and unload the weapon on different types of aircraft. It is displayed underneath the F-100 Super Sabre, one of the primary aircraft used as a delivery system. Specifications Length: 96-170 inches Diameter: 20 or 22 inches Weight: 1,700 -2,320 pounds Yield: Low kiloton to low megaton range
“Little Boy" Atomic Bomb Replica Wings Over the Rockies Air and Space Museum “Little Boy" Atomic Bomb This is a replica of the bomb that the American B-29 bomber Enola Gay dropped over the city of Hiroshima, Japan 75 years ago on August 6. The explosion killed about 40% of the residents. This was the first use of a nuclear weapon in war. Three days later, the US dropped a second atomic bomb on Nagasaki, which resulted in the surrender of Japan and the end of World War II.
B53 Nuclear Bomb Loading Dummy (Type BDU-9/E) Wings Over the Rockies Air and Space Museum The B53 was a high-yield bunker buster thermonuclear weapon deployed on Strategic Air Command (SAC) bombers by the United States during the Cold War. With a yield of nine (9) megatons, the B53 was the most powerful weapon in the U.S. nuclear arsenal circa 1976. The B53 Bomb Dummy Unit (BDU) was used to train bomb technicians on how to upload and download the B53 on to and down from the carrier aircraft. The bomb technicians also can monitor the signal from the aircraft to the bomb once it is uploaded thus verifying connection with the aircraft. B53 BDU Type: Nuclear weapon training device Place of origin: United States Service history In service: 1962-1997 Production history Designer: LANL Designed: 1958-1961 Manufacturer: Atomic Energy Commission Produced: 1961-1965 Number built: Unknown Specifications Weight: 8,850 lb (4,010 kg) Length: 12 ft 4 in (3.76 m) Diameter: 50 in (4.2 ft; 1.3 m) Filling (When Operational): - Fission: 100% oralloy - Fusion: Lithium-6 and deuteride Blast yield: 9 megatons
B61 Thermonuclear Bomb Wings Over the Rockies Air and Space Museum B61 Thermonuclear Bomb 301 705-00 B61-7 Type 3E ALTS 0 SERIAL P758 The B61 nuclear bomb is the primary thermonuclear weapon in the U.S. Enduring Stockpile following the end of the Cold War. When the B61 was still classified, aircrew were not allowed to use the term "B61," instead they referred to the weapon as a "shape," a "silver bullet," or even simply "external delivery." Built by the Los Alamos National Laboratory in New Mexico, the B61 began its life as a program for a lightweight, streamlined weapon. Total production of all versions was approximately 3,155, of which approximately 1,925 remain in service, and some 1,265 are considered to be operational. Nine versions (or "Mods") of the B61 have been produced. Each shares the same nuclear components but with different yield options. The newest variant, the B61 Mod 11, deployed in 1997, is a ground-penetrating bunker buster for use against targets buried deep underground. The B61 has been deployed by a wide variety of U.S. military aircraft over the years. Most recently the F-15 Eagle, F-15E Strike Eagle, and F-22 Raptor have been designated as B61 delivery platforms. British, German, and Italian Panavia Tornadoes plus Belgian and Dutch F-16 Fighting Falcons can also carry the B61. The B61 is a variable yield bomb designed for carriage by high-speed aircraft. It has a streamlined casing capable of withstanding supersonic flight speeds. Most versions of the B61 are equipped with a parachute retarder the weapon in its descent, giving the aircraft a chance to escape the blast (or to allow the weapon to survive impact with the ground). The B61 can be set for airburst, ground burst, laydown detonation, and can be released at speeds up to Mach 2 and altitudes as low as 50 feet. The U.S. is refurbishing the B61 bombs under its Life Extension Program with the intention that the weapons should remain operational until at least 2025. Specifications: Length: 11 feet, 8 inches Diameter: 13 inches Weight: 700 lbs Yield: Variable kiloton range
B61 Thermonuclear Bomb Wings Over the Rockies Air and Space Museum B61 Thermonuclear Bomb 301 705-00 B61-7 Type 3E ALTS 0 SERIAL P758 The B61 nuclear bomb is the primary thermonuclear weapon in the U.S. Enduring Stockpile following the end of the Cold War. When the B61 was still classified, aircrew were not allowed to use the term "B61," instead they referred to the weapon as a "shape," a "silver bullet," or even simply "external delivery." Built by the Los Alamos National Laboratory in New Mexico, the B61 began its life as a program for a lightweight, streamlined weapon. Total production of all versions was approximately 3,155, of which approximately 1,925 remain in service, and some 1,265 are considered to be operational. Nine versions (or "Mods") of the B61 have been produced. Each shares the same nuclear components but with different yield options. The newest variant, the B61 Mod 11, deployed in 1997, is a ground-penetrating bunker buster for use against targets buried deep underground. The B61 has been deployed by a wide variety of U.S. military aircraft over the years. Most recently the F-15 Eagle, F-15E Strike Eagle, and F-22 Raptor have been designated as B61 delivery platforms. British, German, and Italian Panavia Tornadoes plus Belgian and Dutch F-16 Fighting Falcons can also carry the B61. The B61 is a variable yield bomb designed for carriage by high-speed aircraft. It has a streamlined casing capable of withstanding supersonic flight speeds. Most versions of the B61 are equipped with a parachute retarder the weapon in its descent, giving the aircraft a chance to escape the blast (or to allow the weapon to survive impact with the ground). The B61 can be set for airburst, ground burst, laydown detonation, and can be released at speeds up to Mach 2 and altitudes as low as 50 feet. The U.S. is refurbishing the B61 bombs under its Life Extension Program with the intention that the weapons should remain operational until at least 2025. Specifications: Length: 11 feet, 8 inches Diameter: 13 inches Weight: 700 lbs Yield: Variable kiloton range
B43 Nuclear Bomb Wings Over the Rockies Air and Space Museum For more than twenty years the B43 was the United States' air-dropped nuclear weapon used by a wide variety of aircraft. The weapon was developed in 1956 by Los Alamos National Laboratory, entering service in April 1961. Total production was 2,000 weapons, ending in 1965. The B43 was built in three variants: Mod 0, Mod 1, and Mod 2, each with five yield options. Explosive yields varied from 70 kilotons of TNT to 1 megaton of TNT. The B-43 could be delivered at altitudes as low as 300 ft, with fusing options for air burst, ground burst, free fall, contact, or laydown delivery - a mode of deploying a free-fall nuclear weapon in which the bomb's fall is slowed by parachute so that it actually lands on the ground before detonating. Aircraft that could carry the weapon included most USAF, USN and USMC fighters, bombers and attack aircraft, including the A-3 Skywarrior, A-4 Skyhawk, A-5 Vigilante, A-6 Intruder, A-7 Corsair II, B-47 Stratojet, B-52 Stratofortress, F-100 Super Saber, F-105 Thunderchief, F-4 Phantom Il, F-111 Aardvark, FB-111A, F-15E Strike Eagle, F-16 Fighting Falcon, and the F/A-18 Hornet. The B-1B Lancer was also intended to carry the B43 prior to the B-1's reassignment to conventional strike roles. The B43 was also supplied to Great Britain. The B43 was never used in anger, but it was involved in a nuclear accident when an A-4 Skyhawk of the USS Ticonderoga from Attack Squadron VA-56 was lost off the coast of Japan on 5 December 1965. The aircraft, the pilot, and the bomb were never found. The B43 was phased out in the 1980s, and the last B43 weapons were retired in 1991 in favor of the newer B61 and B83 weapons. The upper weapon was used by Explosive Ordnance Disposal (EOD) teams to practice their skills on, while the lower weapon was used by aircraft ground crews to practice loading the weapon on various aircraft. The "spike" on the end of the weapon buried itself in the ground and kept the unit from being dragged by its parachute when the target was small and needed precision accuracy. Specifications Weight: 2125 pounds Length: 13 feet, 8 inches Diameter: 18 inches Yield: 70 Kilotons to 1 Megaton

Contact NATIONAL RAILWAY HISTORICAL

INTERMOUNTAIN CHAPTER NATIONAL RAILWAY HISTORICAL SOCIETY
4303 BRIGHTON BLVD BLDG 3
DENVER
CO
80216-8021

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NATIONAL RAILWAY HISTORICAL Information

MID # 8400800456
Name INTERMOUNTAIN CHAPTER NATIONAL RAILWAY HISTORICAL SOCIETY
Alternate Name NATIONAL RAILWAY HISTORICAL
Classification Historical Societies, Historic Preservation, , Mount Plains
Federal Employer Identification Number (EIN) 840820266
NTEECC A82
Tax period of the latest return filed (YYYYMM) 201212
INCOME 0
REVENUE 0
LAT/LONG 39.777052, -104.970159
CODES FIPS State Code: 08
FIPS County Code: 001
US Census Tract: 015000
US Census Block: 2145