LAKEHURST, N.J., 26 Oct. 2015. U.S. Navy aviation experts are reaching out to industry to identify companies able to provide commercial off-the-shelf (COTS) instrument landing systems (ILS) for installation at as many as 31 Navy and U.S. Marine Corps airfields.Officials of the Naval Air Warfare Center Aircraft Division (NAWCAD) in Lakehurst, N.J., issued a presolicitation last week (N68335-16-R-0023) announcing a full and open competition for COTS instrument landing systems. The official solicitation will be issued in early December.