ECCC-RC uses only official Government Emails for correspondence. Emails from,, etc. are not answered, refer to the HQDA Electronic Messaging Memo at the below link for further information. Please ensure your ATRRS profile information is up-to-date and has your official DOD Enterprise Email ( ATRRS is the system we use to find your contact information as we prepare correspondence. 





ECCC-RC is located in Lincoln Hall Room 3666

Phone: 573-563-5089 or 573-563-5077

Hours: Monday-Friday 0830-1630 CST

The Engineer Captains Career Course Reachback group is located on MilSuite at the Following Link: (CAC enabled)