![Pentagon US Military Headquarters](https://a1consultinggroup.com/wp-content/uploads/2020/06/Pentagon-US-Military-Headquarters.jpg)
PENTAGON RENOVATIONS: Also known as PENREN was a long-term project by US DoD to perform complete slab-to-slab renovations of the military headquarters in Arlington, VA. A1 (NFE) partnered with 3D/International and DMJM Joint venture to provide construction management support between 2001 and 2011.