Add spaces: Thisisasyeta"heroicdeed",whichisblessedandhonouredbysalutes,paradesanddecorations.

Answer: This is as yet a "heroic deed", which is blessed and honoured by salutes, parades and decorations.

Add spaces: Bykeepingonastraightcoursehehadsavedenoughforthelinetohold,atbreakingpoint,untiltheAmericansbegantoarriveinstrength.

Answer: By keeping on a straight course he had saved enough for the line to hold, at breaking point, until the Americans began to arrive in strength.

Add spaces: 19IPaulhavewrittenitwithmineownhand,Iwillrepayit:albeitIdonotsaytotheehowthouowestuntomeeventhineownselfbesides.

Answer:
19 I Paul have written it with mine own hand, I will repay it: albeit I do not say to thee how thou owest unto me even thine own self besides.