GR
returning under it's own steam?
Wait a sec, no flucking steam.
2 × Rolls-Royce WR-21 gas turbines, 21.5 MW (28,800 shp) each
2 × Wärtsilä 12V200 diesel generators, 2 MW (2,700 shp) each
Welcome to the 21st century, and about the last 30-40 years in maritime propulsion for corvette/frigate/destroyer class combatants.