<prompt> Bhala ukuqhubeka kwalesi sigaba - Ekuqaleni leli qembu laliphethwe yiNdlunkulu, amabutho aseMelika, ePanama Canal Zone, futhi kusukela ngoJulayi 1, 1917, amayunithi ezindiza ezempi abelwa ngqo eMnyangweni wePanama Canal, owawuyisikhulu esiphezulu se-United States Army ePanama Canal Zone. Phakathi neMpi Yezwe I, i-7th Aero yabelwa ukuqapha ama-U-boat aseJalimane olwandle lwaseCanal Zone  <response>: ngaphansi kokuqondiswa kwe-Coast Defenses of Cristobal, kusukela ngo-1 Juni kuya ku-15 Novemba 1918. 