APSS-313, page 7.
The photo on the left must be quite old (1955), and appears to have been taken from another boat in the nest alongside a tender, maybe in San Diego. On the right is another patch I'm not familar with.  I wasn't aware of so many patches.
                                                                                                        Photos submitted by Patrick Householder
                                                                                                                       Not a Perch sailor.
The 6 photos below (1963-4) were submitted by Web Meyers
AFDM-5, on the right.
"Flapper" Jim Lloyd, CO with sunglasses and Synan (basketball player) in the port shears.
I would guess just about abeam of Grande Island, where I caught the boat once.