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.

The Palomares incident occurred on 17 January 1966, when a B-52G bomber of the United States Air Force's Strategic Air Command collided with a KC-135 tanker during mid-air refueling at 31,000 feet (9,450 m) over the Mediterranean Sea, off the coast of Spain. The KC-135 was destroyed when its fuel load ignited, killing all four crew members.

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.

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 (4500 produced -- all models); 20 models...

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.

Jan 21, 2025 · The conventional explosives inside the four B28 bombs detonated on impact. No nuclear detonation occurred but radioactive plutonium, uranium and tritium was scattered over a wide area. Hobo 28’s gunner, Staff Sergeant Calvin Waldrep Snapp, was rescued 21 hours later.

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.

Jan 17, 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. More than 4,500 were manufactured in as many as 20 variants. Explosive yield varied between 70 kilotons and 1.45 megatons.

A thermonuclear bomb that had one of the longest service lives, 33 years (1958-1991), in the U.S. inventory, 4,500 of the B28 were built in 20 variants. Weighing approximately 1 ton, its yield ranged from from 70 Kt to 1.45 Mt. It was replaced by the B61 and B83 bombs.

The B28 (MK28) nuclear bomb was a thermonuclear and aviation bomb used from 1962 to 1972 by American fighter-bombers, attack aircraft, and dive bombers . The MK28 was produced from 1958 to 1966, and was redesigned as the B28 in 1968.