Posted on Mar 19, 2015
LTC Stephen F.
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I attended the Combined Arms Services and Staff School (CAS3) in 1986. I conducted a few web searches for CAS3 trying to find out what became of it and what school or schools replaced it. CAS3 was the first school I attended with officers who were not part of the combat arms. It was a great way for C, CS and CSS officers to learn about each others functions and for us to get to work with each other. I expect this function is accomplished in one or more schools prior to CGSC but do not know where. I would also like to know when CAS3 ended. I hope the replacement school(s) were up and running at that time.
Update 10/31/ 2022. I was saddened but not suprised that the Army cancelled CAS3 which was designed to bring officers from combat arms, combat support and combat service support branches together for training and working alongside to solve operational level challenges. Unsurprisinly the Army modified the army officer courses which tend to be focused on specific groups of officers [combat arms, combat support and combat service support] Therefore CGSC is now the initial school where officers from combat arms, combat support and combat service support, and other military services come together to train and work alongside each other to approach and attempt to solve complex military planning and operational problems.
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Responses: 11
COL Jonathan Cohen
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There was no replacement school. I taught the course until it was shut down in 2004. The curriculum was supposed to be transferred to the other centers and schools of excellence and incorporated into what it currently the Captains Career Course; however, I am currently a Civilian Instructor at the AMEDD Captains Career Course. There is a very watered down version on the CAS3 curriculum submerged into the Military Decision Making Process portion of the course...the core portion of the course which all captains are supposed to get when they attend their respective CCCs. For all intent and purposes, CAS3 is gone...
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SPC Ellis McClure
SPC Ellis McClure
4 y
SPC Ellis McClure [login to see]
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LTC Larry Panell
LTC Larry Panell
2 y
I attended the second CAS3 class when it started in the early-mid 80’s. LTC Vance Forpaugh was my group leader and it was called the admin Ranger School. 4 hours of discussion, an assignment, 4-6 hours of research, preparation and rehearsals and then 2-4 hours of presentation. This was daily and often ran into weekends. They changed the gym hours, opening at 0500 to accommodate our schedule.
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PV2 Infantry Recruit
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2 y
I am now at this school AMEDD Captains Career Course and I am proud of it, I am very happy that there are professional studies, but sometimes I want a little rest (it's too busy) and I use this service https://writix.com/nursing-essay-writing-service to avoid writing the essay or other homework, the last one that was to write was about nursing and from there I learned many new things, thanks to this writing service because I independently would not have done so good this writing.
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COL Jon Thompson
COL Jon Thompson
>1 y
LTC Larry Panell - Did LTC Forpaugh serve under LTC Tony Herbert in Vietnam?
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COL Jason Smallfield, PMP, CFM, CM
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What School replaced CAS3?
- Short answer from my perspective is that no school replaced CAS3. CAS3 employed small group instruction techniques designed to improve an officer's ability to analyze and solve problems, communicate orally and in writing, to interact effectively as a key member of a military staff, and to apply operational doctrine and procedures in the field.
- I disagree that CAS3 became part of the various Captain's Career Courses. The CCCs are officers of the same branch talking to each other. CAS3 was different branch officers talking to each other. Different dynamic with a different result. Also, the CCCs occur early in the CPT years whereas CAS3 occurred later in the CPT years. Finally, CAS3 was 6 or 9 weeks long (depending upon when an officer went). The CCCs did not grow by 6 weeks when CAS3 was eliminated.
- Overall officer IMT and PME were cut during the GWOT years (2001 to present). This was not because the MOSs and schools had less to teach. It was because the operational force needed a quick turn to get Soldiers back into the fight. These cuts are not going to be added back now that we are on the backside of GWOT/OCO (supposedly). Current TRADOC guidance is "no course growth". The need is still there so therefore the operational and self domains within the Army Leader Development Strategy and Model have to pick up the slack of what used to be covered more within the institutional domain. This has not/is not happening in my opinion. Same can be said about warrant officer and enlisted/NCO IMT/PME. It is what it is.
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COL Engineer Officer
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9 y
I agree with COL Smallfield, the great Engineer he is. I went to ECCC in 99 and CAS3 in 00, reported in 1 JAN 00, Y2K!. I think my class was the third to last class that was offered. For what it's worth, CAS3 was the hardest military school I have attended. It was 6 weeks of constant MDMP, briefings, and staff work. It was tough, but it made me a much better officer and set conditions for working on higher level staffs and a great precursor to CGSC. As a result, I am an expert in AR25-50 and I still hold the coveted Power Point Ranger Tab!
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LTC Retired Veteran
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It was consumed into the Captain's Career Courses for the most part. In some cases it may be a unique, individual block but it isn't the same TDY as it was, separate and distinct from the Advanced Course. I attended early int he career at Leavenworth. The transition happened shortly thereafter, late 90's early 00's.

They try to get some of this integration at courses like Basic Officer Leadership Course (BOLC) -- a little different experience, but similar. Also, from when you were a junior officer, transformed units, where Forward Support Companies (Sustainment) among other specialties are not part of the maneuver brigades has also facilitated cross-branch integration on a larger scale than before.
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LTC Stephen F.
LTC Stephen F.
9 y
Rob, thanks for the update. I had some interaction with CS personnel and units and much less with CSS personnel and units when I was a junior officer in the early 80s. I appreciated the chance to both teach and learn from CSS officers primarily in the artificial stress of CAS3 versus the real stress of the real world.
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MAJ Terry LaFrance
MAJ Terry LaFrance
9 y
I went to the first CAS3 that was an immediate follow on to OAC ( CLOAC for me). At that time, 1997, there was already plans to do away with it and move the curriculum to what became the Captains Career course.
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MAJ JohnK Wright, V
MAJ JohnK Wright, V
9 y
I went to CAS3 in Nov 88 til Feb 89. I really like the experience.
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