Analysis of information sources in references of the Wikipedia article "W54" in English language version.
Although there is no hard evidence to directly link Wee Gnat to Wee Gwen, the usual naming convention used by the British for engineered American designs supplied under the 1958 Bilateral Agreement, was to use a name beginning with the same letter of the alphabet, and Gwen and Wee Gwen follows that convention. The US and British warheads also share an identical diameter, an identical length, an identical weight, and identical yields.
Operational Review of the XM-129/XM-159 Atomic Demolition Charge (B54 SADM)
Although there is no hard evidence to directly link Wee Gnat to Wee Gwen, the usual naming convention used by the British for engineered American designs supplied under the 1958 Bilateral Agreement, was to use a name beginning with the same letter of the alphabet, and Gwen and Wee Gwen follows that convention. The US and British warheads also share an identical diameter, an identical length, an identical weight, and identical yields.
Operational Review of the XM-129/XM-159 Atomic Demolition Charge (B54 SADM)
