Aviation Boatswain's Mate 3rd Class Christopher Halcomb directs the landing of a CH-53 E Sea Stallion helicopter on the flight deck of USS Essex (LHD 2) for Deck Landing Qualifications (DLQs) during Blue-Green Workups. Testing their rapid response, Blue-Green Workups are a series of training exercises designed to solidify the working relationship of Sailors and Marines during an Amphibious Ready Group deployment