Blocker door stiffening features

A thrust reverser comprising:

• inner fixed structure (IFS);
• a cascade disposed radially outward from the IFS;
• a plurality of blocker doors disposed between the IFS and the cascade;
• and
• a plurality of drag links coupled between the plurality of blocker doors and the IFS, wherein the plurality of blocker doors includes at least a first blocker door and a second blocker door, the first blocker door comprises:
• a proximal surface extending in a lengthwise direction between a forward edge and an aft edge and extending in a widthwise direction between a first side edge and a second side edge;
• a distal surface located opposite the proximal surface and extending between the forward edge and the aft edge and extending between the first side edge and the second side edge;
• a first attachment feature extending from the distal surface;
• a second attachment feature extending from the distal surface;
• a drag link housing extending from the distal surface;
• a first diagonal stiffener extending from the distal surface and extending between the first attachment feature and the drag link housing;
• a second diagonal stiffener extending from the distal surface and extending between the second attachment feature and the drag link housing;
• a first perimetrical stiffener extending from the distal surface and extending from the first attachment feature and the drag link housing;
• and
• a second perimetrical stiffener extending from the distal surface and extending from the second attachment feature and the drag link housing;
• a first forward stiffener extending in the lengthwise direction from the first attachment feature to the forward edge;
• and
• a second forward stiffener extending in the lengthwise direction from the second attachment feature to the forward edge.