The North American XB-28 (NA-63) was an aircraft proposed by North American Aviation to fill a strong need in the United States Army Air Corps for a high-altitude medium bomber. It never entered production, with only two prototypes being built.

The B28, originally Mark 28, was a thermonuclear bomb carried by U.S. tactical fighter bombers, attack aircraft and bomber aircraft. From 1962 to 1972 under the NATO nuclear weapons sharing program, American B28s also equipped six Europe-based Canadian CF-104 squadrons known as the RCAF Nuclear Strike Force.

This is a list of United States bomber aircraft, including those with the capability of bombing, meaning aircraft such as strike aircraft (also known as tactical bombers) and torpedo bombers are included. ^ a b c "B-17G Flying Fortress". Air Mobility Command Museum. Retrieved 2023-12-31. Andrade, John M. (1979).

The B-28 Certificate of Fitness is required for supervision of Stationary Energy Storage Systems. Stationary storage battery systems are commonly used in office buildings and other commercial buildings to provide power for various NON-EMERGENCY uses.

Jan 21, 2025 · The Mark 28 was a two-stage radiation-implosion thermonuclear bomb which was designed by the Los Alamos National Laboratory and produced from January 1958 to May 1966. In 1968, it was redesignated B28.

The B28, originally Mark 28, was a thermonuclear bomb carried by U.S. tactical fighter bombers and bomber aircraft. From 1962 to 1972 under the NATO nuclear weapons sharing program, American B28s also equipped six Europe-based Canadian CF-104 squadrons known as the RCAF Nuclear Strike Force.

The XB-28 was based on North American Aviation's highly successful B-25 Mitchell, but as it evolved it became a completely new design, much more reminiscent of the Martin B-26 Marauder.

B28 (изначально Mark 28) — термоядерная бомба, стоявшая на вооружении ВВС США, и предоставлявшаяся, в 1960—1970 гг., в. соответствии с программами сотрудничества НАТО, также ВВС Великобритании и Канады. Была разработана Лос-Аламосской национальной лабораторией.

The W-28 small diameter, light weight ("Class-D") thermonuclear warhead in this bomb became the most versatile and widely used design ever adopted by the United States.

Apr 2, 2019 · Page details technical specifications, development, and operational history of the North American XB-28 (Dragon) High-Altitude, Medium Fast Bomber Prototype including pictures.