Based off the Spitfire, this logo depicts the water droplet body shape of the airplane.
The MQ-1 Predator is known for it's limitless surveillance capabilities. The infinity sign logo works as binoculars and also uses a P and S.
The F-16 Fighting Falcon has a recognizable air intake on its belly. This design utilizes that shape and also uses Falcon-like claws.
The V-22 Osprey is a hybrid between a helicopter and an airplane. The propellers lift it straight up, then adjust forward once up to speed. The logo uses the twin propellers and shows the energy being gained from the ocean current.
The P-38 Lightning is recognizable for its 3 part body shape. This logo uses that aspect and also resembles a commonly seen power icon.