When Wonder Woman is being chased around the hangar, one of the villains fires one shot at her, yet she deflects two bullets with her bracelets.
When the missile is fired at the plane during the test flight, the pilot reports a "bogey at 6 o'clock"--in other words, directly behind the plane. However, the radar image of the plane and missile has the missile coming at the plane from a side angle of about 3 or 4 o'clock.
When Diana begins her first spin transformation in the warehouse, you can clearly see it is Lynda Carter. When the transformation is complete, the camera shot is much farther away but it is now obvious that this is her stunt double.