Read "Assessing the Feasibility of the Strategic Long Range Cannon: Unclassified Summary" at NAP.edu. Today’s Operating Environment. [2025-02-25]. (原始内容存档于2024-11-07) (英语).
Read "Assessing the Feasibility of the Strategic Long Range Cannon: Unclassified Summary" at NAP.edu. Today’s Operating Environment. [2025-02-25]. (原始内容存档于2024-11-07) (英语).