... 99, 102 108 development tactics, 116–119modeling, 104 108 systems engineering and, 102 104 technology insertion, 119–120templates (Figure 7.2), 87in Wheel and Axle Model (Figure 3.3), 24 Project ... 433Spiral Model, 108 , 354, 355, 433annotated (Figure 13 .10) , 245complexity chapter, 354, 355–356Figure 7.9, 108 overlaid on the Vee (Figure 13.11), 246 project cycle and, 107 108 risk and, 245, 246–248, ... Kelliher, and James G.Keegan Jr., Engineering Complex Systems with Models and Objects (New York: McGraw-Hill,1997).14. Sanford A. Friedenthal and Cris Kobryn, “Ex-tending UML to Support a Systems...