Submission Request Instructions: Tenant and non-tenant units soliciting training requirements through School of Infantry-West will need to download the "SOI-W Training - Support Request v2" form and submit via email to Regimental S-3 Org Box at SOI-W_REGT_S3@usmc.mil. Any submission under 30-days will not be approved. For non-tenant units requesting support you will need to download the "SOI-WEST FOS" form and submit the FOS via AMHS message to TECOM. The contact number is Comm: 760-725-7127 , please contact the Regimental S-3 office directly for further information or inquiries. Training Request Form: SOI-W Training - Support Request v1.xlsx SOI-West FOS Form: SOI-W FOS Form.doc