We will only use epoxy as resin: no polyester or vinylester. Foam sandwich is a well proven material, light and strong. It is particularly well adapted to the building of one-off hulls. It is well suited to amateur boat building because it does not require a female mold or any special equipment. We will describe what is commonly called the open mold method.
Hail to the Chief is the official Presidential Anthem of the United States. The song's playing accompanies the appearance of the President of the United States at many public appearances.
The main presidential aircraft is the four-engined, long-range, widebody Ilyushin Il-96-300PU, a highly modified Il-96, with the two last letters standing for Command Point in Russian. Five modified Il-96s have been used as presidential aircraft, the first one was used by the first President of Russia, Boris Yeltsin. In 2005, the second PUM aircraft was used by President Vladimir Putin.