So Joshua
Yhowshuwa` (yeh-ho-shoo'-ah)
Jehovah-saved; Jehoshua (i.e. Joshua), the Jewish leader -- Jehoshua, Jehoshuah, Joshua.
ascended
`alah (aw-law')
to ascend, intransitively (be high) or actively (mount); used in a great variety of senses, primary and secondary, literal and figurative (as follow)
from Gilgal
Gilgal (ghil-gawl')
Gilgal, the name of three places in Palestine -- Gilgal.
he and all the people
`am (am)
a people (as a congregated unit); specifically, a tribe (as those of Israel); hence (collectively) troops or attendants; figuratively, a flock -- folk, men, nation, people.
of war
milchamah (mil-khaw-maw')
a battle (i.e. the engagement); generally, war (i.e. warfare) -- battle, fight(-ing), war(-rior).
with him and all the mighty
gibbowr (ghib-bore')
powerful; by implication, warrior, tyrant -- champion, chief, excel, giant, man, mighty (man, one), strong (man), valiant man.
men of valour
chayil (khah'-yil)
probably a force, whether of men, means or other resources; an army, wealth, virtue, valor, strength