The British military had two goals during Queen Victoria's reign. One was to show unconditional devotion to their Queen, and two was expansion.
Britain did not have many conflicts with it's European rivals, however, it was involved in a long series of colonial wars.
The British military had control over a small Indian territory with loyal citizens and a strong Opium production.
One of the only wars that Britain fought with a rival in the Victorian Era was againsed Russia over holy land.