Tactical Climbing

Leadership      Service            Training       Experience

 "We are honored to have served with the finest servicemen and women in our Nation. As they retire from military service, they have a deep commitment to share lessons learned from leading people all over the world, to enhance the security and prosperity of our Nation. D-CO is a network of Veterans organized to bring these extraordinary citizens to your Company or Team."  


                                                              Tom DiTomasso, LTC US Army Ret.

Our Services

D-CO.US

Our mission is to share lessons on Leadership and Training in order to enhance the security and prosperity of our Nation.


We accomplish this through our SNAPLINKprogram (SM), where we attach or “snaplink” D-CO instructors to your Team in order to provide candid assessment and training. Host D-CO at your location and experience our Nation’s best in your organization.

Active Shooter Resolution and Response Tactics

Contact us 

Leadership, Planning and Decision Making Seminars and Training

More pictures coming soon. Contact us for more details at info@d-co.us

Team Maneuver Tactics and Patrolling

Marksmanship Evaluation and Training 

Check out the video below of our new program designed for Corporate Teams at DOWNRANGE !

Visit Downrangers.com to sign up...

Scroll down to see our programs with pictures or check out our Snaplinkprogram catalog for more details.

Leadership, Planning and Decision Making
Incident and Tactical Command / Tactical Leaders Course
Team Maneuver Tactics / Advanced SWAT
Advanced Marksmanship Evaluation and Training
Active Shooter Response to Resolution

 Cold Weather Operations and Mountaineering
Tactical Climbing, Breaching and Mobility
Advanced Tactical K9 Integration and Training
Sniper Observer Employment and Operations
Reduced Signature and Protective Security Detail Training
Operational Consulting, Research and Development​

D-CO, Leaders and Training LLC, PO BOX 376, Rockwood, Maine 04478       |       +1.910.690.2847      |     info@d-co.us

Our Partners - committed to service and invention.

D-Co, Leaders and Training LLC © 2014  |  All Rights Reserved

Mountaineering and Cold Weather Operations

Three Rangers Foundation     |     Leupold     |     Sig Sauer     


Patagonia   |   Guardian-Point K9     |     Spartan Blades USA       


High Noon Holsters     |    DeWitts Range     |     Surefire     ​     


Oakley     |     iAct Responder Bags     |    Crye Precision


SOF K9 Memorial    |    American Hero Adventures   |   Guardian Group