This is the 10078th most frequent Russian word.
базировалась
"Was based" or "was stationed."
Here, "базировалась" is used in the context of a company's location or establishment.
Эта компания базировалась в Москве.
This company was based in Moscow.
In this example, "базировалась" describes the temporary location of a military or similar unit.
Во время учений команда базировалась на побережье.
During the exercises, the team was stationed on the coast.
Here, "базировалась" implies that the narrative originated or derived from specific facts.