Lt. Col. Joshua Luck, commanding officer, Marine Attack Squadron 542, 31st Marine Expeditionary Unit, briefs visiting Chinese Senior Capt. Xujing Cai, Navy chief of staff, Hong Kong Garrison, People’s Liberation Army (center, in white) and other visiting Chinese military officers on AV-8B Harrier jet aircraft capabilities during a flight deck reception aboard the USS Essex (LHD 2) in Hong Kong harbor, Nov. 17. - Lt. Col. Joshua Luck, commanding officer, Marine Attack Squadron 542, 31st Marine Expeditionary Unit, briefs visiting Chinese Senior Capt. Xujing Cai, Navy chief of staff, Hong Kong Garrison, People’s Liberation Army (center, in white) and other visiting Chinese military officers on AV-8B Harrier jet aircraft capabilities during a flight deck reception aboard the USS Essex (LHD 2) in Hong Kong harbor, Nov. 17.