14 U.S. Code § 2533 - Surviving spouses

The Secretary of the department in which the Coast Guard is operating shall pay $100 per month to the surviving spouse of a current or former employee of the Lighthouse Service in accordance with section 2532 if such employee dies—
at a time when such employee was receiving or was entitled to receive retirement pay under this subchapter; or
from non-service-connected causes after fifteen or more years of employment in such service.
(Added Pub. L. 116–283, div. G, title LVXXXV [LXXXV], § 8511(a), Jan. 1, 2021, 134 Stat. 4758.)