(Scientific Coalition for Ufology (explorescu.org))
The unknown object was filmed by a DHC-8 Turboprop
under the command of U.S. Customs and Border Protection on 25 April 2013 (at around 9:20 p.m.).
”Aguadilla Puerto Rico USO splitting”:
“Puerto Rico 
Aguadilla Radar Data Animation”:
The UFO was filmed over Rafael 
Hernandez  Airport 
in Aguadilla 
Wikipedia article: “U.S. Customs and Border Protection”:

