A zoom lens includes a first lens group, a second lens group, a third lens group, and a fourth lens group. The security device includes a removable locking pin structure having a locking pin structure is manually removable through a housing chamber for a puck lock. The injection molded windshields offer additional benefits for the crew by increasing visibility area with larger windshields while reducing aero noise. The first ECC codeword includes a first bit and a second bit, and the second ECC codeword includes a third bit and a fourth bit.