Complex sentence: Cold War pressures prompted U.S. Submarine Force Atlantic (SUBLANT) officers to hunt for ways to cut corners; the last overhaul cost only one-seventh of those performed on other nuclear submarines at the same time.
Split into simpler sentences: Cold War pressures prompted US Submarine Force Atlantic (SUBLANT) officers to seek ways to cut corners. The last overhaul cost one-seventh of those performed on other nuclear submarines at the same time.