It was also supplied for delivery by Royal Air Force Canberra aircraft assigned to NATO in Germany under the command of SACEUR.

This was done under the auspices of Project E, an agreement between the United States and the UK on the RAF carriage of US nuclear weapons.

[3] The Mark 7 was a variable-yield fission weapon that used a levitated pit and an implosion design with 92 high-explosive lenses.

Beside the Mark 7 bomb, this included the BOAR air-to-surface rocket, the MGR-1 Honest John and MGM-5 Corporal tactical surface-to-surface missiles, the Betty Mark 90 depth bomb, the MIM-14 Nike Hercules surface-to-air missile, and an atomic demolition munition.

[3] Configured as a Mark 7 gravity bomb and as the BOAR, the weapon was carried by the F-84 Thunderjet, F-100 Super Sabre, and F-101 Voodoo fighter-bombers; and the B-57 Canberra bomber.

[1] During Operation Teapot MET on 15 April 1955, a test was conducted using a Mk7 warhead using an experimental composite plutonium/uranium-233 pit, producing a 22kt yield, 33% lower than expected.