Complex sentence: Dassault described the Rafale as being an "omnirole" fighter, capable of simultaneously undertaking air supremacy, interdiction, reconnaissance, and airborne nuclear deterrent missions.
Split into simpler sentences: Dassault described the Rafale as being an "omnirole" fighter. The Rafale is a multirole combat aircraft; capable of simultaneously undertaking air supremacy, interdiction, reconnaissance, and airborne nuclear deterrent missions.