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| Term/Abbreviation |
Explanation |
| ACDUTR |
Active Duty for Training - Short-term active duty periods for reservists |
| ADT/OJ |
Adjutant/Operations Officer - Staff position managing unit administration |
| ADT/SP |
Active Duty for Training/Special Projects |
| AEGIS |
Advanced combat system integrating sensors, weapons, and command in real-time |
| ASCICS |
Assistant Ship's CIC Supervisor - Second-in-command of CIC operations |
| ASSCIC |
Assistant Ship's CIC Officer - Junior officer in Combat Information Center |
| AT |
Active Duty for Training - Period when reservist serves on active duty |
| CAPT |
Captain (O-6) - Senior officer rank, equivalent to Army/Air Force Colonel |
| CDR |
Commander (O-5) - Senior officer rank, equivalent to Army Lieutenant Colonel |
| CF |
Concurrent Fitness Report - Report covering same period as another command |
| CHF |
Chief - Typically Chief of Staff or senior leadership position |
| CIC |
Combat Information Center - Ship's tactical nerve center managing sensors/weapons |
| CICWO |
Combat Information Center Watch Officer - Officer in tactical charge of CIC |
| CMD/CO |
Commanding Officer - Officer in charge of a unit or ship |
| COMNAVSEASYSCOM |
Commander, Naval Sea Systems Command - Navy's ship acquisition organization |
| COMSPAWAR |
Commander, Space and Naval Warfare Systems Command |
| CRENG |
Combat Requirements Engineer - Defines technical requirements for systems |
| CVA/CVAN/CVN |
Aircraft Carrier designations (A=Attack, N=Nuclear powered) |
| DESIGNATOR |
Navy specialty code identifying officer's career field (1445=Electronics LDO) |
| DIV DIR |
Division Director - Senior manager of organizational division |
| EDO |
Engineering Duty Officer - Officer specializing in ship systems engineering |
| ENS |
Ensign (O-1) - Entry-level commissioned officer rank |
| FLTCOMBAT |
Fleet Combat - Organization supporting fleet combat systems |
| IDT |
Inactive Duty Training - Weekend/drill periods for reservists |
| ING OFF |
Commanding Officer (abbreviated form) |
| ISIC |
Immediate Superior in Command - Direct superior in chain of command |
| LCDR |
Lieutenant Commander (O-4) - Mid-grade officer rank |
| LDO |
Limited Duty Officer - Officer commissioned from enlisted ranks |
| LT |
Lieutenant (O-3) - Company-grade officer rank |
| LTJG |
Lieutenant Junior Grade (O-2) - Junior officer rank |
| MSEE |
Master of Science in Electrical Engineering |
| NAVELEXSYSCOM |
Naval Electronics Systems Command - Managed electronic systems acquisition |
| NAVPGSCOL |
Naval Postgraduate School - Graduate school in Monterey, California |
| NAVSURFWARCEN |
Naval Surface Warfare Center - Organization developing surface ship systems |
| NAVSWC |
Naval Surface Warfare Center (abbreviated) |
| NTDS |
Naval Tactical Data System - Computer system linking sensors and weapons |
| O-1 through O-6 |
Officer pay grades (O-1=ENS, O-6=CAPT) |
| ONR |
Office of Naval Research - Navy's science and technology organization |
| OPS |
Operations Officer - Senior staff position managing ship operations |
| PEO SC-AP |
Program Executive Office, Ships - Manages ship acquisition programs |
| PMS 400 |
Program Manager for specific ship/system acquisition program |
| Pre-Commissioning |
Period before ship enters active service, training crew |
| RADM |
Rear Admiral - Flag officer rank (O-7 or O-8) |
| RENG |
Requirements Engineer |
| RG |
Regular Fitness Report - Standard periodic evaluation |
| Selected Reserve |
Part-time reserve status with drilling requirements |
| SITOFF |
Site Officer - Officer responsible for a specific location/facility |
| SYSANL |
Systems Analyst |
| S&T |
Science and Technology |
| TAD |
Temporary Additional Duty - Short-term assignment to another command |
| TRAINI |
Training Officer - Responsible for unit training programs |
| USS |
United States Ship - Prefix for commissioned Navy vessels |
| XO/XO-EXE |
Executive Officer - Second in command of a ship or unit |
