It has plans to upgrade the entire service during the year.

The five ships were upgraded several times during their service lives.

The railroad spent at least $268 million in upgrading its physical plant during this period.

Parts of the highway were upgraded to freeway during the 1960s.

It then was upgraded to a hurricane again during the late afternoon of August 29.

She upgraded the quality of art and architecture education in the University during her 10-year tenure.

The fence was built in 1994 and substantially upgraded during the conflict.

It then becomes one of the character's stats and can be upgraded as such during the game.

Security was upgraded significantly during the 1990s and 2000s.

A-35 was upgraded during the 1980s to a two-layer system, the A-135.