1 Sept 2001 — Warhead is more efficient in its use of special nuclear materials than the similar yield W-78. This may refer in part to substituting .... The National Nuclear Security Administration is preparing to restart a program to replace the W78 nuclear warhead, which is used in Air Force intercontinental ....
Each ICBM carries one warhead — either the W87 or the W78 — but could theoretically hold two or three warheads each. In 2015, the Air Force ....
... warhead MMIII missiles, armed with W78 and W87-0 warheads. If authorized by the President, MMIII could carry up to two additional warheads.
MMIII missile .... The W87-1 will provide enhanced safety and security compared to the legacy W78 warhead it will replace in the U.S. nuclear stockpile.
Sandia ....