-At each of these points the aerodynamic analysis is queried to find CL and CD, which are then converted to lift and drag. These values will be dependent on the body angle unknown and other aerodynamic parameters. Thrust is found from the vehicle's energy network, which is dependent on the throttle unknown. A weight is determined by looking at the initial weight and subsequent mass rate (typically corresponding with fuel burn). In this cruise segment, these forces are summed in 2D and the results are put in the residuals. The functions needed to arrive these forces are found in the Update Conditions section of the [Analysis file](dox_link). This section is also shown below in one of the steps to create a new mission.
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