What constitutes being "old school" in the military?

I know he USAF isn't as old as the other branches but I was issued fatigues that had to be starched, chukka boots along with combat boots and low quarters which all had to be spit shined. If you weren't in maintenance you wore 1505s (tan) uniform until they were phased out in the late 60s or early 70s. I ate C-rats on deployments and discussed the difference with older guys who remembered K-rats. I also remember rank meant something to those who had less than you.

80-column computer punch cards
Starched uniforms
Spit shined black boots
Military aircraft with piston engines
Orange flight suits
Cloth rank that wasn't subdued
Brick radios
Trucks and busses with standard transmission
SAC
Aircraft type codes with 3 numbers
APs with white hats

Old school used to be push-ups "until I'm tired" (yelled by a Non-Comm wearing brown boots).

Junk on the Bunk inspections

Buffer bronco rodeo

Bruised by the Drill Sergeant's hat

Drove the old dodge pickups (pre-CUCV)

Ate pork patties in MRE's...

When you remember the pickle suits, the leather removable patches on your BDUs, you know what a P38 is, and you know MREs used to be a lot worse.

lit up the C-ration peanut butter to mark the LZ for extraction

lit up the C-ration peanut butter to mark the LZ for extraction

5 mile "Airborne Shuffle" in fatigues and jump boots, before breakfast.

I remember wearing the "pickle suits" eating C-rations riding in real duece and a half driving jeeps and m113a1's and a2's

MRE's is old school? How about C rations?