Marching & Troops
行则为阵，止则为营，进不可挡，退不可追。
March as formation, camp as fortress; advance unblockable, retreat untraceable.
行军之法，阵形严整，首尾相应，左右相救，防伏击，控要道。
行则为阵，止则为营，进不可挡，退不可追。
行军的方法是：阵形严整，前后呼应，左右互救，防备伏击，控制要道。行军时就是战阵，驻扎时就是堡垒，前进时势不可挡，撤退时无法追击。
The method of marching: strict formation, coordination between front and rear, mutual support, guard against ambushes, control key roads. March as formation, camp as fortress; advance unblockable, retreat untraceable.
行军必须阵形严整、协同呼应；行军即战阵，驻营即堡垒
Marching requires strict formations; march as battle, camp as fortress.
"行则为阵，止则为营"体现了孙膑的"无缝作战"理念——行军与作战不是两个阶段，而是一个连续体。这种思想在现代军事中被称为"行军即战斗"。
Compare to Roman Legion's marching camps (castra). Compare to modern convoy operations doctrine.
戚继光创造鸳鸯阵，行军作战一体，以小队灵活配合抗倭。
Qi Jiguang created the Mandarin Duck Formation, integrating marching and combat, using small flexible squads to fight Japanese pirates.
罗马军团每日行军后必建标准营地，行军即作战准备，堪称古代典范。
Roman legions built standardized camps every day after marching — marching itself was combat preparation, an ancient exemplar.
现代装甲纵队行军中保持战斗队形，随时可以展开作战。
Modern armored columns maintain combat formation while marching, ready to deploy for battle at any moment.