Medal of Honor: Warfighter has an online feature called "Support Actions". These are acquired though gaining points, whether it be through capturing flags, assisting or killing enemies. For this achievement you have to call in the Apache Support which is the highest level of support (Level 4). You will need to gain a good amount of points within 1 life to attain this level, so I suggest playing conservatively, helping teamates, and trying to stay at a long range. I also suggest using the offensive support actions for levels 1-3, as they give you the best chance of gaining a large amount of points.
Support Actions appear in the top left of your screen, and they are used by pressing or .