Archival note: M-16 article
Magazine articles published before the early 1990s are available digitally in only hit-or-miss fashion. Republication rights were still being worked out then; Nexis coverage from that time is erratic; some material has been scanned in and much has not. I am aware of this spotty coverage mainly as it affects two Atlantic articles I did in this period: "A Damaged Culture," about the Philippines; and "M-16: A Bureaucratic Horror Story," about how internal bureaucratic squabbling left American troops in Vietnam with defective, jam-prone weapons. I frequently receive requests for copies of these articles.
I have finally found, and earlier posted, a digital version of the Philippine article, which appeared in expanded form in Looking at the Sun. I am not aware of a digital version of the M-16 article. For those who ask (and I write this because I've gotten another round of requests), it too appeared in expanded book form, in National Defense. That book was published in 1981 and has recently gone out of print, but used copies are easily and cheaply available on Amazon. That is where to look if you are interested.