An extensive upgrade to the school's buildings began in 2008 with the senior and models blocks being the first to be improved.

The missile entered service in 1960, and a program of extensive upgrades has kept it from becoming obsolete.

In 1942, extensive upgrades to the chapel doubled the seating capacity from 70 to 140.

The campus has undergone extensive massive upgrades since the mid-1990s.

On March 15, 2010, the railway once again opened for passenger service following extensive upgrades to brake and safety systems.

In preparation for the games, its facilities received extensive upgrades.

All three ships have now undergone an extensive upgrade of weapons and sensors.

Because of small number of M1910s in service, extensive upgrade was not considered worthwhile.

The dam's power house underwent extensive upgrades and renovations in the 1990s.

After several Federal violations, the sewage plant will begin an extensive upgrade and renovation this fall.