1st photo caption:
Machinist’s Mate Fireman Casey Burton dismantles and inspects one of the two oil strainer assemblies that filters the oil in the starboard engine

Engine???

The boiler and main engine are in the same engineering space. I think that's the upper level catwalk on the port side of the starboard main turbine and engine. I'll look again.

The fuel oil filters were bypassed when we shifted from NSFO to JP-5 so that's gotta be a lube oil filter. Hmmm, one of my buddies from back then was an MM3. I'll shoot that page to him for his opinion.

Ah yes. Lube oil filter. I was stuck on a "fuel oil"filter and was puzzled if the caption was referring to the boiler as an "engine". For the record she is still steam powered, turbine driven, yes?
Amphibious Transport Dock Photo Index LPD-15 Ponce

Nice set of service ribbons.

Yeah, steam. 2, 650 psi uncontrolled superheated steam, modified D-type boilers. 2 main engines. The other photos show the front of the boiler with 5 burners in #1 engineering space -- powering the starboard engine. It's one hell of a transmission going from 4-5 krpm steam turbine to a max of a couple hundred rpm on the shaft. 4 steam turbine electric generators. 4 emergency power diesel generators (IIRC). 2 fw evaporators.

To run that laser it's gotta have a hell of a coolant system for the gi-normous capacitor. Sure as hell wouldn't want to be in the engineering space when that capacitor lets go. Imagine the induced emf. Just a guess, that.