India began upgrading its air capabilities on its eastern border only after the war.

A team of nine contractors, led by Boeing, began upgrading more than 11,000 bombs this year under a $235 million contract.

The reason for waiting until next spring to begin upgrading more stations, however, has not been adequately explained.

The United States began upgrading major highways to modern freeways in the 1950s.

The Canadian Forces began upgrading the Bison between 2002 and 2008.

Around the year 2000 (real time), Schultz began upgrading the abilities of his costume and weapons.

Therefore, to cope with the heavy traffic, the government began upgrading the road in 1987.

Since it began upgrading its stereo equipment in 1980, Ford says its audio sales have soared 225 percent, to nearly $900 million last year.

The hospital began upgrading to new beds that are designed for comfort and safety in 2003.

In the next five years New York is required to begin upgrading the landfill.