2862All the soldiers who received a bracha from the Rebbe and put on Teffilin daily came home safely

Keeping mitzvos is the vehicle to receive Hashem’s blessing. Especially make sure your son puts on Teffilin daily, it only take a few minutes and can be done all day. https://www.torahrecordings.com/rebbe/igroskodesh/009/012/2862