For general information, contact PEO C3T Operations: (443) 395-6475

For media queries, email PEO C3T Public Affairs: usarmy.APG.peo-c3t.mbx.pao-peoc3t@mail.mil

For Single Interface to the Field (SIF):
Direct: (443) 395-2119
DSN: (312) 648-2119
Online: https://www.milsuite.mil/book/groups/sif/