The Keystone B-6 was a biplane bomber developed by the Keystone Aircraft company for the United States Army Air Corps. In 1931, the United States Army...

The Keystone B-4 was a biplane bomber, built by the Keystone Aircraft company for the United States Army Air Corps. Originally ordered by the United States...

The Keystone LB-6 and LB-7 were 1920s American light bombers, built by the Keystone Aircraft company for the United States Army Air Corps, called Panther...

Keystone B-5 is a light bomber made by the Keystone Aircraft company for the United States Army Air Corps in the early 1930s. The B-5A was a Keystone...

The Keystone B-3A was a bomber aircraft developed for the United States Army Air Corps by Keystone Aircraft in the late 1920s. The B-3 was originally ordered...

Keystone Aircraft Corporation was an early American airplane manufacturer. Headquartered in Bristol, Pennsylvania, the company was formed as "Ogdensburg...

the Mazda B engine series Blackburn B.6 Shark, a British 1930s torpedo bomber Keystone B-6, a United States Army Air Corps bomber Lohner B.VI, an Austro-Hungarian...

The Keystone Pipeline System is an oil pipeline system in Canada and the United States, commissioned in 2010 and owned by TC Energy and, as of March 2020...

military aircraft of the United States Northrop Grumman B-21 Raider, US heavy bomber under development "B-17G Flying Fortress". Air Mobility Command Museum...

Aircraft employed in carrying the mail were the Curtiss B-2 Condor, Keystone B-4, Keystone B-6, Douglas Y1B-7 and YB-10 bombers; the Boeing P-12 and P-6E...

biplanes built from steel-tube frames covered in doped fabric, such as the Keystone B-6, and Boeing decided to design and build a twin-engined bomber using the...

B-1 – Huff-Daland/Keystone B-2 Condor – Curtiss B-3 – Keystone B-4 – Keystone B-5 – Keystone B-6 – Keystone B-7 – Douglas B-8 – Fokker B-9 – Boeing B-10...

The Keystone–Loening K-84 Commuter was a single-engine closed-cabin 4-place biplane amphibious flying boat built by Keystone–Loening. It was powered by...

1930 Operational 30 Keystone B-5 US Heavy bomber 1929 Operational 30 Keystone B-6 US Heavy bomber 1931 Operational 44 Kharkov KhAI-5 USSR Reconnaissance...

States Army Air Corps. The XB-1 was the first aircraft named using just a B- designation. Prior to 1926, the U.S. Army used LB- and HB- prefixes, signifying...

LB-1 light bomber Keystone B-3 bomber Keystone B-4 bomber Keystone B-5 bomber Keystone B-6 bomber Keystone LB-5 light bomber Keystone LB-6/LB-7 light bomber...

with Keystone B-6 bombers. It converted to Martin B-10 bombers in 1936 and operated these until 1938, when it again re-equipped, with Douglas B-18 bombers...

Keystone beer is a product of the Molson Coors Beverage Company in Golden, Colorado. It was first introduced in Chico, California in September 1989. Keystone...

Keystone B-6 of the US Army Air Corps, in use as a mail plane, 1934...

Huff-Daland Division of the Keystone Aircraft Corporation. A single example of the Huff-Daland XB-1 bomber became the Keystone XB-1B, after its original...

Live at Keystone is an album by Merl Saunders, Jerry Garcia, John Kahn, and Bill Vitt. It was recorded live at the Keystone in Berkeley, California on...

Amtrak, with the majority of traffic occurring on the Keystone Service in the high-speed Keystone Corridor between Harrisburg and Philadelphia's 30th Street...

Barksdale Air Force Base, Louisiana. The 11th is equipped with the Boeing B-52H Stratofortress. The 11th is one of the oldest units in the United States...

contain a keystone species, a species that has a large impact on the surrounding environment and that can directly affect the food chain. If a keystone species...

Watch Company and the Keystone Watch Company. The precursor to the Hamilton Watch Co., the Lancaster, Pennsylvania, based Keystone Standard Watch Co., was...

1919-1928 Keystone LB-5, 1928-1932 Keystone LB-7, 1928-1932 Keystone B-3, 1928-1932 Keystone B-5, 1928-1932 Keystone B-6, 1932-1936 Martin B-10, 1936-1942...

The 28th Infantry Division ("Keystone") is a unit of the United States Army National Guard, and is the oldest division-sized unit in the Army. Some of...

the "Keystone" asterism) as the lower half (abdomen) of Hercules's torso. H. A. Rey has suggested an alternative visualization in which the "Keystone" becomes...

The Keystone Cup is the Junior B ice hockey championship and trophy for Western Canada. From 1983 to 2017, the championship was the culmination of the...

20th Bombardment Squadron at Langley Field, Virginia, flying the Keystone B-6 and Curtiss B-2 Condor bombers. In February and March 1934, he was part of the...