What does this 落实 mean here?
In 落实
落 = to implement
实 = actually / solidly

落实 (v): to (actually) implement; to (solidly) put into effect;

'咱们有计划，有落实'

'有计划' means 'have plans (which need to be implemented)'
'有落实' means 'have implementation'
We can interpret this sentence as :

&quot;(first,) we'll have plans , (then) we'll have implementation (of these plans).&quot;

using the verb 落实 (implement) as a noun: 'implementation'
or

&quot;(first,) we'll have plans , (then) we'll have these plans/ implemented.&quot;

More example sentence:

到最后，这计划并没有落实 (At the end, this plan had not been implemented.)