Carpe Diem Soldier Edit 1 Thanks to all.

[tomoffing]

Oh boy, I posted in this section because the feedback is good in this thread.

Our glory’s waving new and old.
It guides in patterned lines
of red and blue they set above
a blank slate page enshrined.
I'd semi colon from line one, and drop they in line 3 to maintain the flag as the subject. Also should blank slate be hyphenated as a compound adjective?

Our idol is this colored flag
that’s scrawled upon but white. Lost here, scrawled upon but white?
Our blissful bower’s always ripe,
and hid from winter’s bite.

The noiseless sounding cannon blasts
are soaring from remotes. The noiseless cannon conflicts in line 1 here, but it's resolved once I realise we're talking drones so I would not change it. Soaring from remotes is problematic though, as the blasts don't soar from the remote. I really like the idea however.
Some cheer for mellow David’s sling
through our green colored coats. I think you can do better than green colored...

We curse the hoary hairs of age
in bed and league with time.
So, hey ho we’ll drink to the day this is clunky, although I enjoy the colloquial tone
and miss a later clime.

We’ll wash the ebbing wars away, great line. Just great.
or needle nettles clean, I'm not grasping this at all. Sorry.
and it's twenty days off the Horse
until nightmares and dreams.

Thanks for the read, t