Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to a penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. Interpersonal trust represents the willingness of individuals to accept vulnerabilities from the actions of others (Mayer, et al., 1995). Vulnerability is critical aspect of trust research, yet few studies have manipulated vulnerability. Non-verbal cues may have an influence on the trust process (Wicks, et al., 1999), suggesting that features of collaborative tools may influence how individuals build trust. The present study will implement a 3x4 mixed design. Participants will select a convoy route based on: 1) graphical displays of enemy zones and historical Improvised Explosive Device (IED) occurrences; 2) route parameters (e.g., fuel required); and 3) information from a local expert. Vulnerability will be manipulated by altering the frequency of IEDs and the location of 'red forces' to create low, moderate, and high vulnerability conditions (within subjects factor). Information from local experts will be presented via one of four conditions: 1) audio/video with low emotion; 2) audio/video with high emotion; and 3) audio only; and 4) chat (between subjects factor). Findings from this research will support the development of new collaborative tools for the C2 domain.