Lenders on Hackman Capital Partners' Manhattan Beach Studios are selling its $240M mortgage, leaning on the South Bay submarket's booming aerospace and defense technology industries in its marketing materials.  “There’s never been a more perfect site for advanced manufacturing,” Cushman & Wakefield Vice Chair Kevin Donner told Bloomberg. “People have been tracking it for a long time.” Cushman has the listing for the 15-soundstage campus. Deutsche Bank AG and Kennedy Wilson are the lenders on the property.  The South Bay has been a magnet for defense tech and aerospace companies to grow as federal funding for their products increases. Established companies including Raytheon and Northrop Grumman as well as newer heavy-hitters...