mid-life update

{{Refimprove|date=January 2008}}

A mid-life update, particularly in the context of defence, is maintenance or renovation designed to extend the usefulness and capability of an item.{{cite news

| last =

| first =

| title = Acronym Meaning of "MLU"

| publisher = TheFreeDictionary.com

| year= 2008

| url = http://acronyms.thefreedictionary.com/Mid-life+update

| accessdate = 2008-02-08 }}