BA FCB stands for Battlespace Awareness Functional Capabilities Board
B773 stands for Boeing 777-300 (airliner)
B772 stands for Boeing 777-200 (airliner)
BA&E stands for Biological Assessment and Evaluation (Endangered Species Act)
B763 stands for Boeing 767-300 (airliner)
B762 stands for Boeing 767-200 (airliner)
B744 stands for Boeing 747-400 (airliner)
B753 stands for Boeing 757-300 (airliner)
B752 stands for Boeing 757-200 (airliner)
B742 stands for Boeing 747-200 (airliner)