Adapter assemblies for aircraft and launchers for deploying aircraft are described herein. An example adapter assembly for an unmanned aerial vehicle (UAV) includes a first adapter to be removeably coupled to a first side of a fuselage of the UAV. The first adapter includes first and second posts to interface with a carriage of a launcher. The adapter assembly also includes second adapter to be removeably coupled to a second side of the fuselage of the UAV. The second adapter includes third and fourth posts to interface with the carriage of the launcher.