The US Marine Corps have recently issued a photo release with the two images accompanying this article.  The brief description of them was as follows:-

Members of the Nigerian Navy board a U.S. Marine Corps HH-46E for a search and rescue flight demonstration during a visit Feb. 4 with Naval Air Systems Command’s Specialized and Proven Aircraft Program Office (PMA-226) based at Marine Corps Air Station Cherry Point, N.C. Nigerian Navy officials are investigating possible purchase of the H-46 and the H-2 helicopters.

Jeremy Parkin – HeliHub.com