The Navy is aligning limited duty officers (LDO) who support the nuclear enterprise under the 640X designator into the 62XX nuclear power series.

LDO promotion to O-2 and O-3 is routine, with selection boards from O-4 up to to O-6. Every LDO gets two looks for each selection board. If they fail to select, they usually retire in grade.

The LDO community in the Navy makes up only 10 percent of the officers. Within the Civil Engineer Corps; there are less than 50 total, Wood said.

The Navy announced July 27 it is seeking applications from highly qualified Sailors in pay grades E-6 through E-9 for the Fiscal Year 2013 Active Limited Duty Officer (LDO) and ...