http://science.nasa.gov/headlines/y2007/08jan_metricmoon.htm
"January 8, 2007: If you think in pounds and miles instead of
kilograms and kilometers, you're in the minority. Only the United
States, Liberia, and Burma still primarily use English units -- the
rest of the world is metric. And now the Moon will be metric too.
NASA has decided to use metric units for all operations on the lunar
surface when it returns to the Moon. The Vision for Space Exploration
calls for returning astronauts to the Moon by 2020 and eventually
setting up a manned lunar outpost."
"January 8, 2007: If you think in pounds and miles instead of
kilograms and kilometers, you're in the minority. Only the United
States, Liberia, and Burma still primarily use English units -- the
rest of the world is metric. And now the Moon will be metric too.
NASA has decided to use metric units for all operations on the lunar
surface when it returns to the Moon. The Vision for Space Exploration
calls for returning astronauts to the Moon by 2020 and eventually
setting up a manned lunar outpost."