SGT Private RallyPoint Member1364476<div class="images-v2-count-0"></div>Ever since I've been on RP, I've noticed different abbreviations for Captain. Are both abbreviations proper, or is there just one abbreviation?Which is the correct abbreviation for Captain?2016-03-08T15:39:35-05:00SGT Private RallyPoint Member1364476<div class="images-v2-count-0"></div>Ever since I've been on RP, I've noticed different abbreviations for Captain. Are both abbreviations proper, or is there just one abbreviation?Which is the correct abbreviation for Captain?2016-03-08T15:39:35-05:002016-03-08T15:39:35-05:00Capt Bryan Dankanich1364492<div class="images-v2-count-0"></div>Capt for USMC, CPT for Army, CAPT for USN (O6 rank), and Capt for USAFResponse by Capt Bryan Dankanich made Mar 8 at 2016 3:41 PM2016-03-08T15:41:55-05:002016-03-08T15:41:55-05:00Sgt Aaron Kennedy, MS1364517<div class="images-v2-count-0"></div>Depends on the service. Each on has an official policy (either a Reg or the Abr/Accronym Handbook). The Army uses 3 digit alphanumeric for all ranks. The USMC tends to use traditional "abbreviations" like 1stSgt or LCpl based on the actual word being shortened.Response by Sgt Aaron Kennedy, MS made Mar 8 at 2016 3:48 PM2016-03-08T15:48:59-05:002016-03-08T15:48:59-05:00CSM David Heidke1364522<div class="images-v2-count-0"></div>AR 600-20Response by CSM David Heidke made Mar 8 at 2016 3:49 PM2016-03-08T15:49:55-05:002016-03-08T15:49:55-05:00Maj John Bell1364551<div class="images-v2-count-0"></div>I think it is service specific. I've noticed my Army brothers and sisters abbreviate the rank at O-1 as 2LT, the Marines it is 2ndLt.Response by Maj John Bell made Mar 8 at 2016 4:01 PM2016-03-08T16:01:47-05:002016-03-08T16:01:47-05:00Capt Walter Miller1364669<div class="images-v2-count-0"></div>Cpt. is Army and maybe Air Force.<br /><br />Capt. is USMC/USN.Response by Capt Walter Miller made Mar 8 at 2016 4:33 PM2016-03-08T16:33:02-05:002016-03-08T16:33:02-05:00SFC Thomas Howes1364830<div class="images-v2-count-0"></div>It depends are you looking for 03 Army CPT USMC Capt, USAF Capt, Navy LT, Cost Guard LT now 06 Navy and Cost Guard CaptResponse by SFC Thomas Howes made Mar 8 at 2016 5:38 PM2016-03-08T17:38:07-05:002016-03-08T17:38:07-05:00CPT Jack Durish1364849<div class="images-v2-count-0"></div>It seems that <a class="dark-link bold-link" role="profile-hover" data-qtip-container="body" data-id="667469" data-source-page-controller="question_response_contents" href="/profiles/667469-capt-bryan-dankanich">Capt Bryan Dankanich</a> answered this question more than adequately. So, I'll just comment on something all us captains experienced. We were once lieutenants. Now, let me ask, could you spell "lieutenant" when you were first commissioned as one?Response by CPT Jack Durish made Mar 8 at 2016 5:46 PM2016-03-08T17:46:26-05:002016-03-08T17:46:26-05:00Capt Private RallyPoint Member1364863<div class="images-v2-count-0"></div>Geesh, Keith. I was an active duty captain in the Air Force and am a retired Army captain, and I did not know the answer. Thanks everyone. Now I still don't know how to abbreviate it.Response by Capt Private RallyPoint Member made Mar 8 at 2016 5:49 PM2016-03-08T17:49:33-05:002016-03-08T17:49:33-05:00CPT Aaron Kletzing1364929<div class="images-v2-count-0"></div>It depends on branch of service -- in the Army it would be CPT.Response by CPT Aaron Kletzing made Mar 8 at 2016 6:14 PM2016-03-08T18:14:35-05:002016-03-08T18:14:35-05:00Lt Col Jim Coe1364951<div class="images-v2-count-0"></div>Each service has their own set of officer rank abbreviations. To answer your question:<br />Army. CPT<br />Navy, CAPT (O6)<br />Air Force, Capt<br />Marines, Capt<br /><br />If you like this then O5 is more fun:<br />Army, LTC<br />Navy, CDR (Commander)<br />Air Force, Lt Col<br />Marines, LtColResponse by Lt Col Jim Coe made Mar 8 at 2016 6:21 PM2016-03-08T18:21:15-05:002016-03-08T18:21:15-05:00Capt Mark Strobl1365117<div class="images-v2-count-0"></div>Used to love calling my wife at her command: I would always appropriately identify myself as Captain Strobl. Some spring-butt CDR or LCDR would intercept the call, with "May I help you, sir?"Response by Capt Mark Strobl made Mar 8 at 2016 7:41 PM2016-03-08T19:41:24-05:002016-03-08T19:41:24-05:00CW2 Ernest Krutzsch1365277<div class="images-v2-count-0"></div>1LT second award?Response by CW2 Ernest Krutzsch made Mar 8 at 2016 8:41 PM2016-03-08T20:41:25-05:002016-03-08T20:41:25-05:00SGT Rick Ash1365504<div class="images-v2-count-0"></div>I'd say CPT?Response by SGT Rick Ash made Mar 8 at 2016 10:37 PM2016-03-08T22:37:44-05:002016-03-08T22:37:44-05:001SG Private RallyPoint Member1366274<div class="images-v2-count-0"></div>The only abbreviation I ever use for a Captain is Sir.Response by 1SG Private RallyPoint Member made Mar 9 at 2016 9:49 AM2016-03-09T09:49:30-05:002016-03-09T09:49:30-05:00SSG Richard Reilly1369702<div class="images-v2-count-0"></div>AP is Capt. <br />AR25-50 is CPTResponse by SSG Richard Reilly made Mar 10 at 2016 1:04 PM2016-03-10T13:04:53-05:002016-03-10T13:04:53-05:00SPC Donald Lombardi5914563<div class="images-v2-count-0"></div>CPT. I was Army, but check the Captain right below me; he is on the money!Response by SPC Donald Lombardi made May 20 at 2020 1:39 PM2020-05-20T13:39:52-04:002020-05-20T13:39:52-04:002016-03-08T15:39:35-05:00