Wing fold system rotating latch

An apparatus comprising:

• a fixed portion of a wing;
• the unfixed portion of the wing configured to rotate between a folded position of the wing and a flight position of the wing;
• the fixed portion of the wing configured to hold a rotating portion of a latch assembly of the wing;
• and
• the unfixed portion of the wing configured to hold a secured portion of the latch assembly of the wing, the latch assembly configured to prevent rotation of the unfixed portion of the wing with the wing in the flight position, the latch assembly comprising the rotating portion:
• configured to rotate between:
• an open position, and a closed position;
• being a barrel that extends through an outer lug connecting to the unfixed portion of the wing;
• and
• comprising :
• a slot configured to receive the secured portion of the latch assembly,
• a securing portion configured to secure the secured portion of the latch assembly with the latch assembly in the closed position
• the slot comprising a first diameter width that is larger than a second width of the slot in the securing portion of the barrel, such that the secured portion fits, with the latch assembly in the open position, into the barrel through the first width;
• and
• the second width of the slot comprising a size configured to stop a rotation of the barrel at the closed position of the latch assembly via a contact with a side of the secured portion.