the first picture
青井阿蘇神社守護
武運長久
盡忠報國
高橋部隊首藤隊
為滋賀清毅君 Protected by Aoi Aso Shrine
Good luck in battle
Give all for the country
Shutō Party in Takahashi Unit
For Shiga Kiyotake (or Seiki, both readings are possible)
second
贈豐永八十一 (written from right to left) Presented by Toyonaga Yasoichi
third
千人針 Senninbari
Shutō and Takahashi in the first picture would be the names of the commander of the party/corps/unit he(= Shiga Kiyotake/Seiki) belonged to.