Should a Soldier do push-ups to recover personal gear?

I left personal property unsecured at my unit's armory. When I went back for it I was asked by our S-1 NCO if I was "ready to do some push-ups" to get it back. I told him, respectfully, that I would not because it's personal property. If it was my rifle, k-pot, rucksack, etc. I would have had no issue with corrective training. But I stood on principle that it was my property. I won't go into detail about what happened, just looking for opinions.

Update:

Ok. I feel like I need to provide more details because a lot of people are misreading or misinterpreting what happened here. I brought my personally owned Blu-Ray player to my National Guard drill weekend and hooked it up to the TV in our dayroom. Being in the National Guard, many of us crash at the armory for the weekend. We sleep on whatever real estate we can find, watch movies, play cards, cook/eat dinner, etc. in our off duty hours after final formation for the day. As such, having personal items in the armory such as civilian clothes, books, movies, etc. is common fare. I left the armory to go to our annual family picnic without said Blu-Ray player. When I returned, I was informed I would have to push to get it back.

A) At no point in this thread did I ever imply that the property in question was a weapon.

B) At no point in this thread did I ever imply that the property in question belonged to the Army.

C) At no point in this thread did I ever state that my property was in an area off limits to civilian belongings.

D) The event ended with the Troop XO (acting CO on this particular day) telling the E-7 that holding my personal property from me with conditions for its release was theft (bordering on felony range due to the combined value of the Blu-Ray player and movies) and that he would have to return it to me.