BAE Systems agreed to acquire the group in July and completed its acquisition of AES on 27 November 2000.

[2][3] The group encompassed Sanders Associates, Fairchild Systems and Lockheed Martin Space Electronics & Communications.

Boeing announced the sale of the division in 2003 as part of a move to outsource component manufacture and "concentrate on the integration and final assembly of commercial aircraft."

The Fort Worth Star Telegram said "Boeing has sought to sell several operations that it said are too narrowly focused and costly for the company to manage efficiently.

Hybrid and full electric drive systems for public transit, commercial truck, and military applications.