Figure 1: Hypothetical distributed symphonic small arms and IED terrorist attacks in and around a hypothetical U.S. city. H=hostage; SB=suicide bomber; DIV=diversionary attack; IED=improvised explosive device attack; S=sniper attack. Symbols adapted from Department of Defense, Common Warfighting Symbology MIL-STD-2525B, 2005, http://www.mapsymbs.com/ms2525b_ch1_full.pdf.