The ornamental design for a fuselage, as shown and described.
FIG. 1 is a perspective view of a fuselage showing my new design.
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof, drawn to an enlarged scale.
FIG. 5 is a rear elevational view thereof, drawn to an enlarged scale.
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a left side elevational view thereof.
The broken line showing of structural elements is included for the purpose of illustrating portions of the fuselage that form no part of the claimed design.