Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Logan ya yi farin ciki da farko karamin tsari na samfurori. A watan Yunin 1937, Sojojin Amurka sun ba da umarnin 90,000 D ration ko "Logan Bars" kuma sun gwada su a sansanoni a Philippines, Panama, a kan iyakar Texas, da kuma a wasu sansanoni a duk faɗin Amurka. Wasu daga cikin sandunan har sun shiga cikin kayayyakin Admiral Byrd na uku na Antarctic. Wadannan gwaje-gwajen filin sun yi nasara, kuma sojojin sun fara yin umarni na yau da kullum don sanduna.  Tambaya: Wace rundunar sojan Amurka ce ta ba da umarnin kuma ta gwada Logan Bars a sansanoni daban-daban a duniya a cikin shekarun 1930?
Sojojin ƙasa