Connection Network M1 A3 M2 Flight Arc Connection Arc 2/212021 Barnhart 1.206J/16.77J/ESD. 15J2/21/2021 Barnhart 1.206J/16.77J/ESD.215J 11 Connection Network M 1 A1 A2 A3 M 2 Flight Arc Connection Arc Timeline A B C D E F G H J K