Army extension courses. Special text : Weapons and musketry / prep. under the dir. of the Chief of Infantry for use with the Extension Course … Physical training : With special equipment / War Department field manual Selection of bombs and fuzes for destruction of various targets war department technical manual Power units PE-75-A and PE-75-B war department technical manual Woodworking and furniture repair : repairs and utilities war department technical manual Plumbing : repairs and utilities war department technical manual Light standard and standard unit steel trestles war department technical manual Fire department techniques field manual Defense against chemical attack field manual Medical department units of a theater of operations field manual Physical training field manual Infantry battalion