Here are two aerial photo's from two different eras.
These photo's have 19 years between them and I'm sure you will enjoy analyzing the differences.

SUBIC BAY AERIAL PHOTO OF "1949"

Some noted differences are...
Cubi Point did not exist.
Olongapo was moved off original base location but small with much water around the town limiting expansion.
Main gate and bridge connected to Rizal Blvd. not Magsaysay.

SUBIC BAY AERIAL PHOTO OF "1968"

Some noted differences are...
Cubi Point did exist.
Massive land fill project allowed Olongapo to grow extensively.
Massive land fill project south of Repair Facility
Main gate and bridge connected to Magsaysay.